Stroup v. United Airlines ( 2022 )


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  •                                                                        FILED
    Appellate Case: 19-1373    Document: 010110650254         United  States CourtPage:
    Date Filed: 02/28/2022    of Appeals
    1
    Tenth Circuit
    February 28, 2022
    PUBLISH                  Christopher M. Wolpert
    Clerk of Court
    UNITED STATES COURT OF APPEALS
    TENTH CIRCUIT
    JEANNE STROUP; RUBEN LEE,
    Plaintiffs - Appellees,
    v.                                                     No. 19-1373
    UNITED AIRLINES, INC.,
    Defendant - Appellant.
    Appeal from the United States District Court
    for the District of Colorado
    (D.C. No. 1:15-CV-01389-DDD-STV)
    David Lane (Liana Orshan with him on the brief), Killmer, Lane & Newman, LLP,
    Denver, Colorado, for Plaintiffs-Appellees.
    Marcy G. Glenn, Holland & Hart LLP, Denver, Colorado (Jessica E. Whelan,
    Holland & Hart LLP, Las Vegas, Nevada; Meghan W. Martinez and Elizabeth
    Imhoff Mabey, Martinez Law Group, P.C., Denver, Colorado, with her on the
    briefs), for Defendant-Appellant.
    Before HOLMES, BRISCOE, and CARSON, Circuit Judges.
    HOLMES, Circuit Judge.
    Defendant-Appellant United Airlines (“United”) appeals from the district
    court’s denial of its motion for judgment as a matter of law (“JMOL”), pursuant to
    Appellate Case: 19-1373   Document: 010110650254       Date Filed: 02/28/2022   Page: 2
    Federal Rule of Civil Procedure 50, and its motion for new trial, pursuant to
    Federal Rule of Civil Procedure 59. A jury found that United discriminated
    against two flight attendants, Plaintiffs-Appellees Jeanne Stroup and Ruben Lee
    (collectively, the “Plaintiffs”), by terminating them because of their ages in willful
    violation of the Age Discrimination in Employment Act (“ADEA”). United filed
    its JMOL and Rule 59 motions with the district court, contending, among other
    things, that the jury’s verdict was based on legally insufficient evidence and the
    court erred in admitting Plaintiffs’ testimony about their emotional distress. The
    district court denied the motions.
    United maintains this denial was error. United contends that (1) the district
    court erred in denying its JMOL motion because (a) there was insufficient
    evidence to support the jury’s finding that United discriminated against Plaintiffs
    because of their ages in violation of the ADEA, and (b) similarly, there was
    insufficient evidence to support the jury’s finding that United acted willfully in
    committing any ADEA violation; and (2) the court abused its discretion and
    committed reversible error when it admitted Plaintiffs’ allegedly irrelevant and
    highly prejudicial emotional distress testimony.
    We conclude there was sufficient evidence for the jury to reasonably find
    that, not only did United violate the ADEA by discriminating against Plaintiffs,
    but it did so willfully. We also determine that the district court did not commit
    reversible error by admitting the challenged emotional distress testimony. Thus,
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    we uphold the district court’s denial of United’s JMOL motion and Rule 59 motion
    for a new trial and affirm its judgment.
    I
    Ms. Stroup and Mr. Lee were flight attendants who had worked for United
    for decades. Both, generally, had rendered good service in their years of
    employment and had received only minor discipline. At times material here,
    Plaintiffs were based out of the Denver International Airport.
    Plaintiffs’ terminations stem from a complaint against them from their
    fellow flight attendant, Sheila Simms. In August 2013, Ms. Simms contacted
    Mark Dodge, Plaintiffs’ supervisor, to complain about Plaintiffs’ conduct on a
    flight that occurred a few days before. Ms. Simms alleged that Plaintiffs “watched
    a video on an iPad when they were on-duty.” Aplt.’s Opening Br. at 8. United’s
    Flight Attendant Information Manual (“FAIM”), which “contains the policies,
    procedures and service standards for all . . . flight attendants,” Aplt.’s App., Vol.
    VII, at 1758, prohibits the use of “personal electronic devices” by flight attendants
    “on board the aircraft while customers are present,” id. at 1849.
    Mr. Dodge escalated the issue by emailing Dean Whittaker, United’s
    Manager of In-Flight Services at Denver International Airport and the ultimate
    decision-maker as to Plaintiffs’ employment. In response, Mr. Whittaker “asked
    Deepesh Bagwe, a California-based supervisor, to anonymously observe [the]
    Plaintiffs’ job performance, including whether they would again watch a video
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    while on-duty.” Aplt.’s Opening Br. at 9. Mr. Bagwe’s observation happened
    while Plaintiffs were working a short flight between Denver and San Francisco
    roughly five weeks after Ms. Simms’s complaint. 1
    On that flight, Mr. Bagwe catalogued several policy violations. First, Mr.
    Bagwe photographed Plaintiffs sitting on carrier boxes—“steel containers for
    stowing items in galleys”—and also sharing a pair of earbuds and watching a
    video on an iPad. Id. at 9–10 (citing Aplt.’s App., Vol. XIV, at 3292–93 and
    Aplt.’s App., Vol. V, at 1188). 2 Much like the video watching, Plaintiffs’ use of
    the carrier boxes also violated the FAIM. Next, Mr. Bagwe observed Mr. Lee
    smoking an e-cigarette during the flight in violation of United policy. Mr. Bagwe
    also observed other, “less major” policy violations, such as (1) Mr. Lee not being
    “properly positioned” during his safety demonstration at the beginning of the
    flight; (2) Plaintiffs’ rushed and incomplete beverage services; (3) Plaintiffs’
    failure to wear their aprons and name-tags; (4) Mr. Lee’s giving of a free alcoholic
    beverage to a customer; and (5) Plaintiffs’ failure to comply with sanitation
    procedures for the water service. See id. at 13–14.
    1
    Plaintiffs flew and worked flights together between the time of the
    complaint and the time of Mr. Bagwe’s investigation, but they were not observed
    on those flights by United supervisors.
    2
    Plaintiffs contend they watched the video intermittently and only for
    a total of about five total minutes, while Mr. Bagwe testified that Plaintiffs
    watched the video uninterrupted between ten and twenty-five minutes.
    4
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    Under the requirements of the collective bargaining agreement that governed
    the employment relationship between United and Plaintiffs, Mr. Dodge met with
    Plaintiffs and their union representative, Ken Kyle, to discuss the policy
    violations. Coming out of that meeting, Mr. Dodge apparently thought both
    Plaintiffs were dishonest based on their responses to his questions. 3
    After follow-up meetings and more investigation, Mr. Dodge issued Letters
    of Charge to Plaintiffs. Under the governing collective bargaining agreement,
    “termination of a flight attendant could not be based on violations other than those
    listed in a Letter of Charge.” Aplees.’ Resp. Br. at 7. 4
    Ms. Stroup’s Letter of Charge stated that “[her] actions” on Mr. Bagwe’s
    observational flight were “inconsistent with [United’s] Working Together
    Guidelines” in specified ways. See Aplt.’s App., Vol. V, at 1181. First, “[w]ith
    respect to Professionalism and Responsibility, [she was] observed on two separate
    occasions by [Mr.] Bagwe watching and listening to a video on an [iPad] in a cart
    3
    While Plaintiffs disagree on the particulars of United’s account of
    events, Plaintiffs do admit that their statements to Mr. Dodge about the specifics
    of their iPad usage and video watching were “not true.” Aplees.’ Resp. Br. at 21
    n.4.
    4
    See also Aplt.’s App., Vol. XIII, at 3150 (Tr. Ken Kyle Test., dated
    Feb. 28, 2018) (asked by Plaintiffs’ counsel, “And [United] can’t—can they go
    beyond the letter of charge to fire somebody?” Mr. Kyle responded, “Not in the
    process, no.”); id. at 3185 (asked by United’s counsel, “under the collective
    bargaining agreement, [United is] not permitted to go outside the four corners of
    the letter of charge to come up with reasons for termination; is that correct?” Mr.
    Kyle responded, “For what had occurred previously, correct. It does not cover
    what happens at the letter of charge hearing.”).
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    while seated on a carrier box in the aft galley.” Id. “In addition to being
    unavailable and inattentive to . . . customers during this time, [Ms. Stroup was]
    observed using ear phones and a personal electronic device onboard the aircraft,”
    in violation of FAIM policies. Id. “Additionally,” Ms. Stroup “did not follow
    uniform guidelines when [she] failed to wear [her] apron and [her] name bar
    during the flight.” Id. The Letter also noted Ms. Stroup’s “current Performance
    record [would] be subject to review” at her hearing on the Letter’s charges. Id.
    Mr. Lee’s Letter of Charge was identical to Ms. Stroup’s as to the foregoing
    matters. Mr. Lee’s Letter further stated that he was “observed smoking an
    electronic cigarette” in violation of United’s policies and federal regulations. Id.
    at 1185. The Letter leveled three more accusations against Mr. Lee: (1) he “failed
    to follow company policy when [he] stood sideways in the aisle during the
    automated safety demonstration” and “left [his] assigned demo position prior to
    the completion of the safety demonstration”; (2) he “failed to follow company
    policy . . . when [he] took a vodka bottle from first class and gave it to a customer
    . . . without charging [him]”; and (3) he “failed to follow service guidelines when
    [he] gave out full unopened beverage cans without following the United Economy
    beverage service guidelines during the beverage service and again when [he] did a
    water service with a bottle of water with glasses []stacked on one another instead
    of using a pickup pan.” Id. at 1185–86.
    6
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    The Letters of Charge never expressly mentioned any safety-related
    violations or Plaintiffs’ alleged dishonesty.
    United held disciplinary proceedings about a month after the Letters of
    Charge were issued. Plaintiffs submitted written and oral statements, participating
    in the proceedings with the assistance of Mr. Kyle, who was acting in his capacity
    as their union representative. Mr. Dodge presented the evidence at these
    proceedings that he had compiled. Mr. Whittaker served as the hearing officer.
    After the proceedings, Mr. Whittaker, apparently, “did not find either Plaintiff
    credible at the hearings, based on their own admissions of dishonesty; their
    inconsistent and evasive statements; and discrepancies between their statements,
    [and the] objective evidence[,] . . . and information received from persons who had
    no motive to be untruthful [like United employees and investigators].” Aplt.’s
    Opening Br. at 20 (citing Aplt.’s App., Vol. XV, at 3593–97, 3607 (Tr. Dean
    Whittaker Test., dated Mar. 2, 2018)). In short, Mr. Whittaker decided to
    terminate Plaintiffs’ employment “in ‘large part’ because he ‘didn’t find them
    trustworthy.’” Id. (quoting Aplt.’s App., Vol. XV, at 3606–07). 5 Mr. Whittaker
    5
    See also Aplt.’s App., Vol. XV, at 3606–07 (asked by United’s
    counsel, “So the ultimate question, Mr. Whittaker, is: Why aren’t the Plaintiffs
    working at United anymore?” Mr. Whittaker responded, “[B]ased on what took
    place on that aircraft, based on the investigation and based on the facts, um, I
    believe it was just to discharge them from United, And, you know, a large part of
    that reason is I didn’t find them trustworthy. There was [sic] conflicting
    statements throughout, and, um, again, I was very concerned what took place on
    that aircraft and, um, for many factors. I—there was [sic] just so many things
    (continued...)
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    advised Mr. Kyle of his decision, and based on Mr. Kyle’s request, agreed that
    Plaintiffs could instead retire. Plaintiffs retired effective November 18, 2013,
    around three months after Ms. Simms filed her complaint. When their
    employment with United ended, Ms. Stroup was 55 years old, and Mr. Lee was 61
    years old. They served 29 and 41 years as flight attendants, respectively.
    After these events, Plaintiffs filed suit against United, alleging they were
    terminated from their jobs because of their age. Plaintiffs’ claims were heard over
    a five-day trial. At trial, in its defense, United focused heavily on several matters:
    Plaintiffs’ lack of direct evidence of age discrimination; Plaintiffs’ failure to
    complain of that type of discrimination prior to termination; and Plaintiffs’
    admission of policy violations and dishonesty during the disciplinary process.
    Distilled to its essence, United’s argument was that Plaintiffs’ evidence failed to
    establish they had been terminated because of their ages.
    For their part, Plaintiffs broadly sought to convince the jury that United’s
    proffered, nondiscriminatory rationales for their termination were pretextual and
    unworthy of credence. They did so by showing alleged inconsistencies in United’s
    explanations, attacking the credibility of United’s witnesses, and pointing out
    purported procedural irregularities. Relatedly, Plaintiffs also emphasized the
    5
    (...continued)
    there, um, that occurred that were so concerning . . . . And so, again, it was just
    very concerning to me, entirely what occurred on that aircraft. And then, again,
    the fact that I just didn’t find them trustworthy as this unfolded and what took
    place.” (emphases added)).
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    alleged disconnect between the reasons justifying Plaintiffs’
    terminations—supposedly concerns about Plaintiffs’ honesty and the safety-related
    implications of Plaintiffs’ policy violations—and the reasons expressed in
    Plaintiffs’ Letters of Charge, which noted neither safety-related nor
    dishonesty-related concerns.
    Plaintiffs did not contest the violations they committed but minimized them
    as “commonplace” or “minor.” See Aplees.’ Resp. Br. at 9–19. In fact, some of
    the testimony from United’s employees actually helped Plaintiffs’ case. For
    instance, Mr. Bagwe, when questioned by Plaintiffs’ counsel, testified that United
    instructed him to observe Plaintiffs, but not the other flight attendants working
    with Plaintiffs during the flight. This was the only flight out of 50 flights in which
    Mr. Bagwe had acted as an observer during his career where he had been tasked to
    specifically monitor—or, “target,” as Plaintiffs characterize it—only specific flight
    attendants, and not the whole flight crew.
    In addition, certain trial testimony also suggested United’s de facto practice
    was to mete out progressive, or gradually escalating, discipline; yet, such a
    practice was not followed in Plaintiffs’ cases—a failure that arguably implied
    entirely subjective disciplinary decision-making. Plaintiffs also proffered some of
    their own testimony about the emotional distress their discharge
    caused—particularly as it related to Plaintiffs’ constructive discharge theory—with
    the district court allowing that testimony over United’s request to exclude it.
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    The jury found for Plaintiffs on their age discrimination and willfulness
    claims, awarding corresponding damages. In particular, it found the choice that
    Mr. Whittaker effectively offered Plaintiffs—i.e., retiring or firing—constituted a
    constructive discharge, and United does not challenge that finding on appeal. 6 The
    district court entered its final judgment and later denied United’s JMOL motion
    and motion for a new trial.
    In denying the JMOL motion, the district court acknowledged at the outset
    that “United is correct that there was no direct evidence of age discrimination”;
    that is, “there was no evidence that any United employee considered Plaintiffs’
    ages in connection with the termination decision” and “Plaintiffs testified that they
    never heard an age-related comment or remark by anyone at United, and admitted
    to having no prior interactions and no knowledge of age-related comments or bias
    by the United employees who were involved in the hearings and charges against
    them.” Aplt.’s App., Vol. V, at 1138 (Dist. Ct. Order on Post-Trial Mots., filed
    Sept. 4, 2019).
    All the same, the district court rejected United’s argument that no legally
    sufficient evidentiary basis existed for the jury’s decision. The district court noted
    that “[w]hile the evidence of pretext did not compel a finding of discriminatory
    motive, . . . there was sufficient evidence for the jury to find that United
    6
    See Aplees.’ Resp. Br. at 20 (noting that “[b]ecause Plaintiffs had no
    choice but to retire, the jury found that Defendant had constructively discharged
    them, which Defendant does not challenge on appeal”).
    10
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    intentionally discriminated against Plaintiffs.” Id. at 1152. Likewise, though
    United offered explanations for its adverse actions, the jury did not have to credit
    or believe them. Id. at 1152–53. And “[t]he trial largely was about whether
    United’s explanation for firing Plaintiffs was credible,” reasoned the court. Id. at
    1153. Thus, the court denied United’s JMOL motion as to whether United
    discriminated against Plaintiffs because of their ages. Id.
    The district court then rejected United’s JMOL argument that the jury
    improperly found that United willfully violated the ADEA. At bottom, the district
    court noted that the evidence, particularly when evaluated in the context of the
    legal standard for JMOL motions, was “sufficient to demonstrate both pretext and
    knowledge by United’s decision[-]maker,” Mr. Whittaker, that “age discrimination
    [was] prohibited.” Id. at 1155. As to the latter, United itself “presented evidence
    of its anti-discrimination policies regarding age, and that its managers [were]
    trained concerning the company’s anti-discrimination policies.” Id. at 1155–56
    (citing Aplt.’s App., Vol. XIV, at 3271–72 (Tr. Deepesh Bagwe Test., dated Mar.
    1, 2018); id. at 3433 (Tr. Mark Dodge Test., dated Mar. 1, 2018); id. Vol. XV, at
    3604–06). Based on this evidence from United, along with Plaintiffs’ pretext
    evidence, the jury reasonably could have inferred, said the court, that “United
    employees were indifferent to the ADEA and its requirements in connection with
    their investigation and termination of Plaintiffs.” Id. at 1156. Accordingly, the
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    district court denied United’s JMOL motion as to whether United willfully
    violated the ADEA.
    Lastly, the district court rejected United’s Rule 59 motion for new trial. The
    court found “the admission of [Plaintiffs’] testimony regarding emotional distress
    did not affect a substantial right of United, and thus does not require a new trial.”
    Id. at 1167. Contrary to United’s “contention that admission of emotional distress
    testimony is, by definition, prejudicial and inflammatory,” the district court found
    that the testimony here “was minimal over the context of the five-day trial, and,
    more importantly, provided support for Plaintiffs’ constructive discharge claim.”
    Id.
    The court reasoned that “even if there was error in admitting” Plaintiffs’
    emotional distress testimony, “the evidence was not so prejudicial or inflammatory
    as to cast doubt on the reliability of the jury’s other findings.” Id. at 1170. And
    “[a]ny prejudice that [the testimony] may have caused United was mitigated by
    Jury Instruction No. 20,” which explicitly stated that any emotional distress
    Plaintiffs may have suffered was irrelevant as to whether United violated the
    ADEA. Id.; see also id. at 1166 (noting that Jury Instruction No. 20 also made
    clear that no damages should be awarded for emotional pain or suffering, as such
    damages were not recoverable under the ADEA). Consequently, as the court
    reasoned, because United “provided no basis from which . . . [to] conclude that the
    emotional distress evidence had a substantial effect on the outcome [of the trial] or
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    that a contrary result would have occurred if such evidence had been excluded,”
    United was not entitled to a new trial. Id. at 1170. And United filed this timely
    appeal.
    II
    United argues on appeal that (1) the district court erred in denying its JMOL
    motion because (a) there was insufficient evidence to support the jury’s finding
    that United discriminated against Plaintiffs because of their ages in violation of
    the ADEA, and (b) similarly, there was insufficient evidence to support the jury’s
    finding that United acted willfully in committing any ADEA violation; and (2) the
    court abused its discretion and committed reversible error when it admitted
    Plaintiffs’ allegedly irrelevant and highly prejudicial emotional distress testimony.
    We conclude that United’s arguments are unavailing.
    A
    “We review a district court’s denial of a [JMOL] motion de novo, applying
    the same standards as the district court.” Bill Barrett Corp. v. YMC Royalty Co.,
    LP, 
    918 F.3d 760
    , 766 (10th Cir. 2019) (per curiam) (quoting Home Loan Inv. Co.
    v. St. Paul Mercury Ins. Co., 
    827 F.3d 1256
    , 1261 (10th Cir. 2016)). In our review
    “we consider the record in its entirety and ‘draw all reasonable inferences in favor
    of the nonmoving party.’” Miller v. Eby Realty Grp. LLC (“Eby Realty”), 
    396 F.3d 1105
    , 1110 (10th Cir. 2005) (quoting Reeves v. Sanderson Plumbing Prods.,
    Inc., 
    530 U.S. 133
    , 150 (2000)). “We do not however ‘weigh the evidence, pass
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    on the credibility of witnesses, or substitute [our] conclusions for that of the
    jury.’” 
    Id.
     at 1110–11 (alteration in original) (quoting Minshall v. McGraw Hill
    Broad. Co., Inc., 
    323 F.3d 1273
    , 1279 (10th Cir. 2003)). In other words, “it is the
    sole province of the jury to appraise credibility, draw inferences, determine the
    weight to be given testimony and to resolve conflicts in the facts.” Kenworthy v.
    Conoco, Inc., 
    979 F.2d 1462
    , 1468 (10th Cir. 1992) (quoting Dugan v. EMS
    Helicopters, Inc., 
    915 F.2d 1428
    , 1430 (10th Cir. 1990)).
    “Judgment as a matter of law is appropriate only if the evidence points but
    one way and is susceptible to no reasonable inferences which may support the
    nonmoving party’s position.” Elm Ridge Expl. Co., LLC v. Engle, 
    721 F.3d 1199
    ,
    1216 (10th Cir. 2013) (quoting Escue v. N. Okla. Coll., 
    450 F.3d 1146
    , 1156 (10th
    Cir. 2006)). In other words, “[a] district court’s refusal to grant judgment as a
    matter of law may be reversed only if the evidence is such that without weighing
    the credibility of the witnesses the only reasonable conclusion is in [the moving
    party]’s favor.” 
    Id. at 1216
     (second alteration in original) (quoting Keylon v. City
    of Albuquerque, 
    535 F.3d 1210
    , 1214–15 (10th Cir. 2008)). However, “[t]he
    question is not whether there is literally no evidence supporting the [nonmoving]
    party . . . but whether there is evidence upon which the jury could properly find
    [for that party].” Century 21 Real Est. Corp. v. Meraj Int’l Inv. Corp., 
    315 F.3d 1271
    , 1278 (10th Cir. 2003) (alterations and omission in original) (quoting Hurd v.
    Am. Hoist & Derrick Co., 
    734 F.2d 495
    , 499 (10th Cir. 1984)).
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    The quantum of evidence necessary to defeat a JMOL motion is slight, such
    that justifying the grant of a JMOL motion is difficult in practice. See Anderson v.
    Liberty Lobby, Inc., 
    477 U.S. 242
    , 251 (1986) (“[B]efore the evidence is left to the
    jury, there is a preliminary question for the judge, not whether there is literally no
    evidence, but whether there is any upon which a jury could properly proceed to
    find a verdict for the party producing it, upon whom the onus of proof is
    imposed.” (quoting Improvement Co. v. Munson, 
    14 Wall. 442
    , 448 (1872))). We
    have stated that “[i]n reviewing the denial of a Rule 50 motion, we determine only
    whether the jury verdict is supported by substantial evidence when the record is
    viewed most favorably to the prevailing party.” Webco Indus., Inc. v. Thermatool
    Corp., 
    278 F.3d 1120
    , 1128 (10th Cir. 2002). “Substantial evidence” is “such
    relevant evidence as a reasonable mind might accept as adequate to support a
    conclusion, even if different conclusions also might be supported by the
    evidence.” 
    Id.
     (quoting Beck v. N. Nat. Gas Co., 
    170 F.3d 1018
    , 1022 (10th Cir.
    1999)).
    “Thus, the mere existence of contrary evidence does not itself undermine the
    jury’s findings as long as sufficient other evidence supports the findings.” 
    Id.
    (quoting Thunder Basin Coal Co. v. Sw. Pub. Serv. Co., 
    104 F.3d 1205
    , 1213 (10th
    Cir. 1997)). And, it is worth underscoring an earlier point: “We do not retry
    issues, second guess the jury’s decision-making, or assess the credibility of
    witnesses and determine the weight to be given their testimony,” as “[i]t is the
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    province of the jury, and not this court, to resolve conflicts in the evidence.” 
    Id.
    (citing Thunder Basin, 
    104 F.3d at 1213
    ).
    Furthermore, we also have spoken of a general reticence to grant JMOL
    motions, either in the first instance or on appeal. See, e.g., Mountain Dudes v.
    Split Rock Holdings, Inc., 
    946 F.3d 1122
    , 1130 (10th Cir. 2019) (“Judgment as a
    matter of law is cautiously and sparingly granted and then only when the court is
    certain the evidence conclusively favors one party such that reasonable [people]
    could not arrive at a contrary verdict.” (alteration in original) (emphasis added)
    (quoting Bill Barrett, 918 F.3d at 766)); Greene v. Safeway Stores, Inc., 
    98 F.3d 554
    , 560 (10th Cir. 1996) (“[W]e must be mindful that a ruling which deprives a
    party of a determination of the facts by a jury ‘should be cautiously and sparingly
    granted.’” (quoting Cockrell v. Boise Cascade Corp., 
    781 F.2d 173
    , 177 (10th Cir.
    1986))). 7
    7
    It bears mentioning that our deferential posture matches the approach
    of our sister circuits. See, e.g., Rinsky v. Cushman & Wakefield, Inc., 
    918 F.3d 8
    ,
    26 (1st Cir. 2019) (noting that review of the district court’s denial of a JMOL
    motion “is weighted toward preservation of the jury verdict, which stands unless
    the evidence was so strongly and overwhelmingly inconsistent with the verdict
    that no reasonable jury could have returned it” (emphasis added) (quoting Crowe
    v. Bolduc, 
    334 F.3d 124
    , 134 (1st Cir. 2003))); Washington v. Denney, 
    900 F.3d 549
    , 558 (8th Cir. 2018) (noting that the “law places a high standard on
    overturning a jury verdict because of the danger that the jury’s rightful province
    will be invaded when judgment as a matter of law is misused,” and that the legal
    standard for considering JMOL motions reflects a “hesitan[ce] ‘to interfere with a
    jury verdict’” (emphasis added) (quoting Bavlsik v. Gen. Motors, LLC, 
    870 F.3d 800
    , 805 (8th Cir. 2017))); Merritt Hawkins & Assocs., L.L.C. v. Gresham, 
    861 F.3d 143
    , 150 (5th Cir. 2017) (“[O]ur review [of a district court’s denial of a
    (continued...)
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    In sum, overall, our caselaw contemplates that we apply a light touch in
    reviewing denials of JMOL motions. We do not weigh evidence and we do not
    assess credibility. We affirm denials so long as there was sufficient
    evidence—viewing the evidence in the light most favorable to the non-moving
    parties (here, Plaintiffs)—for the jury to reasonably find as it did.
    1
    United argues the district court erred in denying its JMOL motion in part
    because Plaintiffs failed to “adduce[] sufficient evidence to warrant a jury’s
    determination that [United took] adverse employment action . . . against [them] on
    the basis of age.” Aplt.’s Opening Br. at 31 (quoting Fallis v. Kerr-McGee Corp.,
    
    944 F.2d 743
    , 744 (10th Cir. 1991)). United claims Plaintiffs’ “testimony was
    insufficient to avoid JMOL” because it “offered ‘mere conjecture’ about United’s
    purportedly ageist motives.” Id. at 34. According to United, Plaintiffs admitted
    they had “no direct evidence of age discrimination by United.” Id. at 34–35.
    Instead, they cited their confusion or “feeling[s]” as support for their eventual
    7
    (...continued)
    JMOL motion] is highly deferential to the jury’s verdict.” (emphasis added));
    Pensacola Motor Sales Inc. v. E. Shore Toyota, LLC, 
    684 F.3d 1211
    , 1226 (11th
    Cir. 2012) (“Th[e] standard [of review for a district court’s denial of a JMOL
    motion] is heavily weighted in favor of preserving the jury’s verdict.” (emphasis
    added)); Harvey v. Office of Banks & Real Estate, 
    377 F.3d 698
    , 707 (7th Cir.
    2004) (“Our job at this stage is not to determine whether the jury believed the
    right people, but only to assure that it was presented with a legally sufficient
    basis to support the verdict.”).
    17
    Appellate Case: 19-1373   Document: 010110650254       Date Filed: 02/28/2022      Page: 18
    conclusions that United terminated their employment because of their respective
    ages. 
    Id.
    Further, United reasons that Plaintiffs’ admission to violating “United
    policies and repeatedly l[ying] during the investigation and hearing process”
    compromised whatever probative value their speculation may have had. See id. at
    35. United further alleges that “[o]verwhelming evidence” demonstrated United
    exercised its business judgment in good faith when it terminated Plaintiffs. Id.
    (bolding omitted). Invoking the so-called business judgment rule, United argues
    that our caselaw makes clear we should “not second guess business decisions made
    by employers, in the absence of some evidence of impermissible motives.” Id. at
    36 (quoting Lucas v. Dover, 
    857 F.2d 1397
    , 1403–04 (10th Cir. 1988)). 8
    Moreover, United claims that “[t]he jury and the district court rewarded [the]
    Plaintiffs’ distraction, relativism, and derision” by questioning and rejecting
    United’s exercise of business judgment despite the “[d]earth of evidence of
    pretext.” Id. at 40 (bolding omitted). In particular, United accuses the district
    court of “emphasiz[ing] irrelevant evidence, misstat[ing] evidence, present[ing]
    8
    See Branson v. Price River Coal Co., 
    853 F.2d 768
    , 772 (10th Cir.
    1988) (“As courts are not free to second-guess an employer’s business judgment,
    this assertion [by a plaintiff that ‘she was in fact equally or more qualified than’
    another employee, despite her manager’s contrary belief] is insufficient to support
    a finding of pretext.”); see also Sanchez v. Philip Morris, Inc., 
    992 F.2d 244
    , 247
    (10th Cir. 1993) (defining the boundaries of the rule and collecting cases).
    18
    Appellate Case: 19-1373    Document: 010110650254       Date Filed: 02/28/2022      Page: 19
    evidence so out of context as to render it misleading, and misappl[ying] the
    relevant legal standards” in its pretext discussion. Id. at 41. United claims it
    “followed the [collective bargaining agreement] and its internal procedures and
    conducted appropriate investigations and fair and thorough hearings.” Id. at 44.
    As well, United challenges the district court’s view that the jury reasonably could
    have determined that United’s witnesses were not credible. Id. at 44–45.
    In sum, United alleges “there was no evidence, only Plaintiffs’ speculation,
    that their age ‘actually played a role [in United’s decision-making] process and
    had a determinative influence on [their discharges].’” Id. at 45–46 (alterations in
    original) (quoting Hazen Paper Co. v. Biggins, 
    507 U.S. 604
    , 610 (1993)).
    On the other hand, Plaintiffs argue that they “established a legally sufficient
    evidentiary basis for the jury to find that [United] fired [them] because of their
    ages.” Aplees.’ Resp. Br. at 31. Reminding us that “[e]vidence of pretext alone is
    sufficient to show age discrimination,” id. at 32, Plaintiffs maintain that the jury
    could permissibly infer from the evidence—which consisted mostly of
    testimony—that United’s witnesses were not credible and its true motivation for
    discharging Plaintiffs was their age. More specifically, Plaintiffs contend that the
    mainly testimonial nature of the evidence is particularly significant, as the jury’s
    inferences regarding age discrimination and, in particular, pretext were likely
    intertwined with its credibility assessments—assessments that we may not question
    on appeal. See id. at 33–34.
    19
    Appellate Case: 19-1373    Document: 010110650254       Date Filed: 02/28/2022       Page: 20
    Plaintiffs also contend the evidence amply supported an inference of
    discriminatory intent. Id. at 34–39. Plaintiffs presented evidence showing (1)
    their policy violations were commonplace amongst United’s flight attendants and
    did not warrant termination; (2) United did not follow its express policies and
    procedures nor its de facto policy of progressive discipline in deciding to
    terminate Plaintiffs; and (3) United offered conflicting rationales for why it
    discharged Plaintiffs. Id. at 34–38. From this evidence, Plaintiffs argued that a
    reasonable jury could infer that United’s proffered, nondiscriminatory rationales
    for its adverse employment action were pretextual and the true basis for its
    decision was unlawful age discrimination. Id. at 34–39.
    Moreover, Plaintiffs reject the notion that United is substantially protected
    from liability by the business judgment rule. Id. at 39–41. As Plaintiffs see it,
    United invokes the business judgment rule in an improper effort to evade the
    antecedent question of whether its nondiscriminatory explanation for terminating
    Plaintiffs is pretextual—that is, whether United truly was exercising legitimate
    business judgment or, instead, invoking such judgment as a cover for a prohibited
    motive. See id. at 40. To sum up, Plaintiffs exclaim that, “‘[w]hen viewed in the
    aggregate, [their] . . . evidence [was] sufficient to raise a genuine doubt about
    [United’s] motivation,’ and [thus] judgment as a matter of law on Plaintiffs’
    ADEA claims [would have been] improper.” Id. at 45 (first and third alterations
    20
    Appellate Case: 19-1373     Document: 010110650254          Date Filed: 02/28/2022   Page: 21
    and omission in original) (quoting Garrett v. Hewlett-Packard Co., 
    305 F.3d 1210
    ,
    1220 (10th Cir. 2002)).
    We are persuaded by Plaintiffs’ arguments. There was sufficient evidence
    for the jury to reasonably find that United discriminated against Plaintiffs because
    of their age. As outlined above, the outcome of the trial hinged on the pretext
    issue—whether United’s proffered, nondiscriminatory reasons for discharging
    Plaintiffs were, in fact, the true basis for its action.
    “Pretext exists when an employer does not honestly represent its reasons for
    terminating an employee.” Eby Realty, 
    396 F.3d at 1111
    . Plaintiffs did not need
    to provide the jury with direct evidence of United’s purported discriminatory acts
    or intentions; circumstantial evidence pointing toward pretext may suffice. See
    Reeves, 
    530 U.S. at 147
     (“Proof that the defendant’s explanation is unworthy of
    credence is simply one form of circumstantial evidence that is probative of
    intentional discrimination, and it may be quite persuasive.”); Timmerman v. U.S.
    Bank, N.A., 
    483 F.3d 1106
    , 1113 (10th Cir. 2007) (“An employee may show
    pretext based on ‘weaknesses, implausibilities, inconsistencies, incoherencies, or
    contradictions’ in the employer’s claimed legitimate, non-discriminatory reason
    such that a rational trier of fact could find the reason unworthy of belief.” (quoting
    Morgan v. Hilti, Inc., 
    108 F.3d 1319
    , 1323 (10th Cir.1997))). A “plaintiff’s prima
    facie case, combined with sufficient evidence to find that the employer’s asserted
    justification is false, may permit the trier of fact to conclude that the employer
    21
    Appellate Case: 19-1373    Document: 010110650254       Date Filed: 02/28/2022    Page: 22
    unlawfully discriminated.” Reeves, 
    530 U.S. at 148
    ; see St. Mary’s Honor Ctr. v.
    Hicks, 
    509 U.S. 502
    , 511 (1993) (“The factfinder’s disbelief of the reasons put
    forward by the defendant (particularly if disbelief is accompanied by a suspicion
    of mendacity) may, together with the elements of the prima facie case, suffice to
    show intentional discrimination.”); accord Eby Realty, 
    396 F.3d at 1111
    . 9
    Indeed, “[p]retext can be demonstrated by a combination of the plaintiff’s
    prima facie case and evidence exposing the employer’s articulated reason as either
    incredible or less likely the actual motivation.” 1 Andrew J. Ruzicho, et al.,
    L ITIGATING A GE D ISCRIMINATION CASES § 2:27, Westlaw (database updated Dec.
    2021) (emphasis added); see Corneveaux v. CUNA Mut. Ins. Grp., 
    76 F.3d 1498
    ,
    1504 (10th Cir. 1996) (“In an age discrimination case plaintiffs ‘need not disprove
    defendant’s reasons or demonstrate that age was the only factor motivating the
    decision, but they “must show that age actually played a role in the [employer’s]
    decision making process and had a determinative influence” on the decision.’”
    (alteration in original) (quoting Jones v. Unisys Corp., 
    54 F.3d 624
    , 632 (10th
    Cir.1995))); Hagelthorn v. Kennecott Corp., 
    710 F.2d 76
    , 82 (2d Cir. 1983) (“[The
    plaintiff] [i]s not required to show that the reasons offered were false, but that they
    9
    “To prove a prima facie case of age discrimination, a plaintiff must
    show: ‘1) she is a member of the class protected by the [ADEA]; 2) she suffered
    an adverse employment action; 3) she was qualified for the position at issue; and
    4) she was treated less favorably than others not in the protected class.’” Jones v.
    Oklahoma City Pub. Sch., 
    617 F.3d 1273
    , 1279 (10th Cir. 2010) (quoting Sanchez
    v. Denver Pub. Schs., 
    164 F.3d 527
    , 531 (10th Cir. 1998)).
    22
    Appellate Case: 19-1373    Document: 010110650254        Date Filed: 02/28/2022      Page: 23
    were not [the employer’s] only reasons and that age made a difference. . . . [T]he
    jury was entitled to conclude that [the employer’s] dissatisfaction, even if genuine,
    was a pretext in the sense that it purported to be a complete explanation and was
    not, for age was a causal factor as well.”).
    Unless the evidence is “lopsided” in the defendant’s favor, ordinarily “the
    jury’s handling of pretext evidence will be dispositive.” 1 Ruzicho, supra, § 2:27;
    see Whittington v. Nordam Grp. Inc., 
    429 F.3d 986
    , 994 (10th Cir. 2005) (“The
    jury could infer that [the employer’s] explanation at trial for [the plaintiff’s]
    termination . . . was an after-the-fact rationalization for what had been age
    discrimination. The evidence is sufficient to support the verdict of discrimination
    reached by the jury. It certainly cannot be said that the evidence ‘points but one
    way.’” (quoting Medlock v. Ortho Biotech, Inc., 
    164 F.3d 545
    , 549 (10th Cir.
    1999))); see also Russell v. McKinney Hosp. Venture, 
    235 F.3d 219
    , 225 (5th Cir.
    2000) (“Although defendants contested [the plaintiff’s] case, their evidence is not
    of such magnitude that a reasonable jury could only find in their favor (i.e., that
    their justification for terminating [the plaintiff] was not pretextual). All
    defendants have demonstrated is that they disputed [the plaintiff’s]
    characterization of the events and put forth evidence to support their position. The
    record reveals that [the plaintiff] countered defendants’ arguments and created
    conflicts in substantial evidence. The jury had both conflicting versions before it
    and apparently did not find credible defendants’ explanation . . . . The jury, with
    23
    Appellate Case: 19-1373     Document: 010110650254        Date Filed: 02/28/2022    Page: 24
    its ability to listen to live testimony, was in a better position to judge the
    credibility of the witnesses and the accounts of the events; as such, we will not
    second guess their rejection of defendants’ proffered justification.” (citations
    omitted)).
    In establishing pretext, Plaintiffs were largely successful in undermining the
    credibility of United’s witnesses—casting doubt on the legitimacy of United’s
    explanations for its conduct. On appeal, United is basically asking us to make
    credibility determinations as to the proffered testimony that the jury already has
    reviewed and weighed. Although we surely review a district court’s disposition of
    a JMOL motion de novo, we may not go that far.
    More specifically, in the trial, United chose to present testimony and other
    evidence in an attempt to persuade the jury that Plaintiffs’ policy violations and
    dishonesty during the disciplinary process were to blame for their discharge. Not
    to be outdone, Plaintiffs similarly tried to convince the jury that United’s reasons
    were pretextual bases for the real cause of their discharge: their age. They did so
    by attacking United’s inconsistent explanations, the credibility of its witnesses,
    and procedural irregularities in United’s investigation and subsequent disciplinary
    proceedings. In particular, concerning the irregularities, recall that the trial
    evidence—testimonial and otherwise—indicated that Plaintiffs’ policy violations
    were commonplace or minor, such that, as the district court opined, the “jury could
    have found that the violations . . . were not so severe as to warrant termination.”
    24
    Appellate Case: 19-1373   Document: 010110650254        Date Filed: 02/28/2022    Page: 25
    Aplt.’s App., Vol. V, at 1148. Further, they heard testimony from Mr. Bagwe
    about the unusual nature of his in-flight investigation—which was intentionally
    focused on unearthing wrongdoing by Plaintiffs and only Plaintiffs. 10
    Furthermore, Plaintiffs underscored the alleged disconnect in United’s reasons for
    disciplining them. Critically, the jury heard from Mr. Whittaker whose testimony
    showed a disconnect between the stated grounds for instituting disciplinary
    proceedings against Plaintiffs, expressed in their Letters of Charge, and the bases
    that United later offered for disciplining Plaintiffs—i.e., safety-related and
    dishonesty-related concerns. Based on this disconnect, the jury reasonably could
    have determined that Mr. Whittaker was not credible. And, more specifically, it
    reasonably could have inferred that United’s reasons for disciplining Plaintiffs
    were a pretext for age discrimination—that is, United was fabricating different and
    arguably more grave reasons to justify disciplining them, in order to cover up the
    but-for cause for its adverse action: Plaintiffs’ age. See Hagelthorn, 
    710 F.2d at 82
    .
    10
    To be clear, we recognize that an employer may focus its
    investigation on one employee or group of employees, where the employee or
    group is the specific subject of a complaint of wrongdoing, without such conduct
    necessarily constituting evidence of pretext. Here, however, the evidence
    suggested that Mr. Bagwe’s in-flight investigation differed markedly from
    United’s past routine procedure regarding such investigations. If, for example,
    United’s standard practice was to focus only on employees who had been accused
    of wrongdoing, Mr. Bagwe’s exclusive focus on Plaintiffs would have been of no
    moment on the issue of pretext.
    25
    Appellate Case: 19-1373   Document: 010110650254        Date Filed: 02/28/2022   Page: 26
    When this evidence is considered, along with all of the other evidence
    before the jury, and construed in the light most favorable to Plaintiffs, we
    conclude that there was substantial evidence to support the jury’s verdict. More
    specifically, there was sufficient evidence for the jury to reasonably determine that
    United’s stated reasons for disciplining Plaintiffs were a pretext for unlawful age
    discrimination. In this regard, United’s reliance on the business judgment rule is
    of no moment. As the district court itself succinctly explained, “[t]he business
    judgment rule does not immunize an employer where its proffered reasons have
    been shown to be unworthy of belief.” Aplt.’s App., Vol. V, at 1140 (citing
    Beaird v. Seagate Tech., 
    145 F.3d 1159
    , 1169 (10th Cir. 1998)). Here, the jury
    effectively found that United’s reasons for constructively discharging Plaintiffs
    were pretextual. As a result, the business judgment rule does not protect United
    from Plaintiffs’ age discrimination claim.
    Though United effectively asks us to do so, we are not permitted to consider
    and weigh the evidence anew, once the jury—as the trier of fact—has spoken.
    That is, we cannot grant United an “evidentiary do-over.” The record, viewed in a
    light most favorable to Plaintiffs, is enough to support the jury’s determination
    that United terminated Plaintiffs’ employment because of their ages. Thus, the
    district court properly denied United’s motion for JMOL on the question of
    whether United committed age discrimination in violation of the ADEA.
    2
    26
    Appellate Case: 19-1373   Document: 010110650254        Date Filed: 02/28/2022     Page: 27
    We turn to United’s second claim. Specifically, United argues that the
    district court erred in denying United’s JMOL motion on the question of whether
    any ADEA violation that they may have committed was willful. In its view, there
    was no evidence from which the jury could reasonably infer that United willfully
    violated the ADEA. In undertaking our consideration of this claim, we recall that
    our JMOL standard of review is deferential. See supra Part II.A. Among other
    things, we make all reasonable inferences from the record in favor of the
    nonmoving party (here, Plaintiffs), and do not weigh the evidence or make our
    own judgments regarding witnesses’ credibility. See, e.g., Eby Realty, 
    396 F.3d at 1110
    ; Kenworthy, 
    979 F.2d at 1468
    .
    “A plaintiff may be awarded liquidated damages under the ADEA if the
    defendant’s violation was ‘willful.’” Minshall, 
    323 F.3d at 1282
     (quoting 
    29 U.S.C. § 626
    (b)). The Supreme Court initially gave content to that term under the
    ADEA in a case involving a formal, publicized employer policy, which it held, on
    its face, “discriminates against protected individuals on the basis of age, and
    thereby violates the Act.” Trans World Airlines, Inc. v. Thurston (“Thurston”),
    
    469 U.S. 111
    , 124 (1985). Thurston held that “a violation of the [ADEA] was
    ‘willful’ if ‘the employer . . . knew or showed reckless disregard for the matter of
    whether its conduct was prohibited by the ADEA.’” 
    Id. at 126
     (quoting Air Line
    Pilots Ass’n Intern. v. Trans World Airlines, Inc., 
    713 F.2d 940
    , 956 (2d Cir.
    1983) (omission in original), overruled on other grounds, Thurston, 426 U.S. at
    27
    Appellate Case: 19-1373     Document: 010110650254      Date Filed: 02/28/2022       Page: 28
    125–30)). The Court observed that “the legislative history and the structure of the
    statute show that Congress intended a two-tiered liability scheme”: that is, there
    first must be a liability determination for the ADEA violation itself, and, then,
    second and distinctly, there must be a determination that the ADEA violation was
    committed willfully, which permits an award of liquidated damages. Id. at 128.
    Notably, the Court reasoned that the ADEA should not be applied “in a manner
    that frustrates this intent.” Id. at 128.
    However, in revisiting this topic eight years later, the Court observed that
    the circuit courts exhibited a “misplaced” “concern . . . that the application of
    Thurston would defeat the two-tiered system of liability intended by Congress.”
    Hazen Paper, 
    507 U.S. at
    615–16. As an apparent product of this off-base
    concern, “[a] number of Circuits have declined to apply Thurston to what might be
    called an informal disparate treatment case—where age has entered into the
    employment decision on an ad hoc, informal basis rather than through a formal
    policy”—and had formulated various proof hurdles that plaintiffs had to overcome
    to establish a “willful violation.” 
    Id.
     at 615–16.
    In Hazen Paper, the Court elected to “reaffirm that the Thurston definition
    of ‘willful’ . . . applies to all disparate treatment cases under the ADEA,”
    including where “[a]ge entered into the employment decision . . . as an
    undisclosed factor motivating the employer on an ad hoc basis.” 
    Id. at 617
    . And
    it went further, reinforcing that—if a “willful” violation is otherwise established
    28
    Appellate Case: 19-1373   Document: 010110650254        Date Filed: 02/28/2022    Page: 29
    under this definition—the employee need not overcome other proof hurdles that
    the lower courts had previously erected; notably, “the employee need not
    additionally demonstrate that the employer’s conduct was outrageous, or provide
    direct evidence of the employer’s motivation, or prove that age was the
    predominant, rather than a determinative, factor in the employment decision.” Id.;
    see Brown v. Stites Concrete, Inc., 
    994 F.2d 553
    , 560 (8th Cir. 1993) (en banc)
    (“[T]he Supreme Court has clarified that the concern for ensuring a two-tiered
    liability scheme is ‘misplaced’ and that the focus should strictly be on whether the
    employer’s actions were in willful violation of the ADEA as provided in the
    statute.”).
    The inquiry into whether there was sufficient evidence for the jury to
    reasonably find willfulness is “fact-sensitive and individualistic.” Miller v.
    Raytheon Co., 
    716 F.3d 138
    , 146 (5th Cir. 2013); accord 2 Howard C. Eglit, A GE
    D ISCRIMINATION § 8.73 (2d ed.), Westlaw (database updated Oct. 2021) (“The
    question of willfulness is fact-sensitive and individualistic.”). And, in the wake of
    Hazen Paper—which rejected the necessity for direct or otherwise elevated levels
    of proof to establish willfulness—the courts have recognized that a plaintiff may
    use the same evidence in addressing the admittedly distinct inquiries into whether
    the employer violated the ADEA in the first place, and, if so, whether the
    employer committed a “willful” violation. See, e.g., 1 Ruzicho, et al., supra, § 5:6
    29
    Appellate Case: 19-1373   Document: 010110650254       Date Filed: 02/28/2022       Page: 30
    (“The same evidence may be used to prove the underlying violation and
    willfulness.”).
    As the Ninth Circuit has soundly reasoned,
    We think that allowing plaintiffs to make a showing of
    willfulness using the same evidence that was used to establish the
    underlying ADEA violation will not eliminate the vitality of the
    two-tiered scheme, as the evidence in question would be put
    toward two different ends. The first point of inquiry would be
    whether or not the evidence at issue served to prove that the
    challenged action was taken for impermissible, age-related
    reasons, while the second would look to whether that evidence
    demonstrated that “the employer knew or showed reckless
    disregard for the matter of whether its conduct was prohibited by
    the ADEA.”
    EEOC v. Pape Lift, Inc., 
    115 F.3d 676
    , 682 (9th Cir. 1997) (quoting Hazen Paper,
    
    507 U.S. at 614
    ). 11 And the en banc Eighth Circuit has made a related point: “The
    question is not whether the evidence used to establish willfulness is different from
    and additional to the evidence used to establish a violation of the ADEA, but
    whether the evidence—additional or otherwise—satisfies the distinct standard
    used for establishing willfulness.” Brown, 
    994 F.2d at 560
    ; accord 1 Ruzicho, et
    al., supra, § 5:6.
    Accordingly, following Hazen Paper, it is clear that a plaintiff may rely on
    circumstantial evidence to establish a willful violation. See Pape Lift, 
    115 F.3d at
    11
    This reasoning is compatible with our observation in Eby Realty that
    the “evidentiary showing is distinct” for establishing ADEA liability and a
    “willful” ADEA violation, 
    396 F.3d at 1115
    , because, even where the universe of
    evidence is the same, a plaintiff typically must marshal or frame the evidence
    differently to address the two distinct inquiries—i.e., liability and willfulness.
    30
    Appellate Case: 19-1373    Document: 010110650254        Date Filed: 02/28/2022     Page: 31
    681 (“The factors that the Court identified as relevant to an analysis of
    willfulness in Hazen Paper and Thurston support the use of circumstantial
    evidence. . . . Because the willful/nonwillful distinction rests on whether the
    action was undertaken in good faith, circumstantial evidence clearly is relevant to
    the jury’s determination.”); Brown, 
    994 F.2d at
    560–61 (underscoring that
    “neither direct evidence nor additional evidence is required to establish
    willfulness”).
    Furthermore, as particularly relevant here, we and other courts have
    reasoned that “[a] jury [is] . . . entitled to infer from [an employer’s] pretextual
    explanations for its actions that it knew its conduct was unlawful”—and, thus,
    find the employer acted willfully. Dodoo v. Seagate Tech., Inc., 
    235 F.3d 522
    ,
    532 (10th Cir. 2000) (emphasis added); see Cross v. New York City Transit Auth.,
    
    417 F.3d 241
    , 253 (2d Cir. 2005) (“[T]he evidence was sufficient to support a
    jury finding that the defendants recklessly disregarded federal law prohibiting age
    discrimination. . . . The creation of a calculated subterfuge to support an adverse
    employment action supports an inference that the employer knew or recklessly
    ignored the fact that their real reason for demoting the plaintiffs—age—was
    unlawful.”); Pape Lift, 
    115 F.3d at 680
     (“[The employer’s agents] appear to have
    made attempts to conceal evidence of any wrongdoing by offering pretextual
    reasons for the termination. Not only did they put forward two different sets of
    reasons for [the employee’s] termination, but the EEOC presented evidence that
    31
    Appellate Case: 19-1373     Document: 010110650254        Date Filed: 02/28/2022      Page: 32
    called into question the veracity of both explanations. The jury was entitled to
    credit the EEOC’s evidence, which supported a conclusion that the discrepant
    (and perhaps, incredible) responses proffered by [the employer’s agents] were
    unsuccessful attempts to mask a statutory violation. Indeed, this apparent
    subterfuge certainly suggests that both [agents] were aware of [the employer’s]
    potential liability for [the employee’s] termination.”); see also 1 Ruzicho, supra,
    § 5:6 (“Proof of unconscious motivation, based for example on . . . a pretext may
    camouflage a deliberate, discriminatory purpose. . . . Thus, an employer’s use of
    pretext for discrimination may well make out a persuasive claim of willfulness.”
    (footnotes omitted)); cf. Hazen Paper, 
    507 U.S. at 617
     (noting, in the context of
    holding that “the Thurston definition of ‘willful’ . . . applies to all disparate
    treatment cases,” including those where age operates “as an undisclosed factor
    motivating the employer on an ad hoc basis,” that “surely an employer’s
    reluctance to acknowledge its reliance on the forbidden factor should not cut
    against imposing a penalty” for a willful violation).
    On appeal, United argues that, even if the jury’s finding of age
    discrimination must stand, Plaintiffs’ evidence did not support the jury finding
    that United willfully violated the ADEA. United questions the district court’s
    analysis, which considered whether “‘the combination of the jury’s rejection of
    the employer’s explanations as pretextual and the supervisor’s awareness that the
    ADEA prohibited age discrimination’ was sufficient to prove willfulness.”
    32
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    Aplt.’s Opening Br. at 48 (quoting Aplt.’s App., Vol. V, at 1154–55). It points
    out that the district court held Plaintiffs’ evidence met the willfulness standard
    “based on (1) its earlier pretext ruling and (2) evidence that ‘Mr. Whittaker and
    those involved in the investigation regarding Plaintiffs knew that age
    discrimination was prohibited, because United presented evidence of its
    anti-discrimination policies regarding age, and that its managers are trained
    concerning the company’s anti-discrimination policies.’” 
    Id.
     (quoting Aplt.’s
    App., Vol. V, at 1155–56).
    United contends this ruling was legally erroneous because it improperly
    conflated Plaintiffs’ pretext showing with the showing necessary to establish
    willfulness. In particular, United alleges that it was not enough that Plaintiffs
    established that United was aware of the ADEA in the abstract or was even
    negligent in following it. Instead, according to United, “to establish willfulness,
    the evidence must permit the inference that an employer knew or recklessly
    disregarded that the ADEA prohibited the specific conduct in which the employer
    engaged, in other words, ‘whether its conduct was prohibited by the statute.’” Id.
    at 49 (quoting Hazen Paper, 
    507 U.S. at 617
    ). United argues Plaintiffs failed to
    make this showing, and that their pretext evidence alone may not establish a
    willful violation on United’s part. United therefore maintains that “no reasonable
    jury could have found that [it] willfully violated the ADEA.” Id. at 52.
    33
    Appellate Case: 19-1373    Document: 010110650254        Date Filed: 02/28/2022      Page: 34
    Responding, Plaintiffs argue that “there is no requirement that Plaintiffs
    use different evidence than that [evidence] supporting the jury’s finding of
    liability to establish willfulness.” Aplees.’ Resp. Br. at 46. Rather, as Plaintiffs
    reason, their evidence of pretext, and evidence establishing that “United had an
    anti-discrimination policy on which its managers, including Mr. Whittaker, were
    trained,” constituted substantial evidence supporting the jury’s willfulness
    finding. Id. at 47 (citing Aplt.’s App., Vol. XV, at 3604–06). In particular,
    United’s decision to “‘proffer[] false reasons [for Plaintiffs’ termination] in an
    attempt to deny the existence’ of age discrimination, ‘provide[d] an ample basis
    to support the jury’s finding that [United] willfully violated the ADEA.’” Id. at
    47–48 (quoting Burlew v. Eaton Corp., 
    728 F. Supp. 529
    , 534 (E.D. Wis. 1989)).
    Put differently, Plaintiffs contend that “[t]he jury was ‘entitled to infer from
    [Defendant’s] pretextual explanations for its actions that it knew its conduct was
    unlawful,’ because otherwise, it would not have attempted to provide false
    reasons for its actions.” Id. at 48 (second alteration in original) (quoting Dodoo,
    
    235 F.3d at 532
    ). Thus, because the jury could reasonably infer that United
    willfully violated the ADEA, Plaintiffs conclude that United was not entitled to
    judgment as a matter of law as to the jury’s willfulness determination.
    Guided by the legal principles outlined supra—and, more specifically,
    applying the light touch in our review of the court’s JMOL denial that our
    caselaw directs—we conclude that Plaintiffs have the better of this dispute. A
    34
    Appellate Case: 19-1373    Document: 010110650254        Date Filed: 02/28/2022     Page: 35
    plaintiff may rely on the same universe of evidence to both establish ADEA
    liability and to satisfy the willfulness standard. See, e.g., Pape Lift, 
    115 F.3d at 682
    ; 1 Ruzicho et al., supra, § 5:6. And, significantly, an employer’s “creation of
    a calculated subterfuge to support an adverse employment action supports an
    inference that the employer knew or recklessly ignored the fact that their real
    reason for [the adverse action against] the plaintiffs—age—was unlawful.”
    Cross, 
    417 F.3d at 253
    ; see Dodoo, 
    235 F.3d at 532
    .
    Here, as the district court reasoned, the jury reasonably could have inferred
    from the solid evidence of pretext supporting its finding of ADEA liability, along
    with the evidence that United agents were aware of the prohibition against age
    discrimination against employees, that United acted in bad faith and committed a
    willful ADEA violation. Stated otherwise, we may conclude under the
    circumstances here that Plaintiffs’ showing of pretext—when considered
    alongside the evidence that the relevant United employees were aware of their
    obligation not to discriminate on the basis of age—established the willfulness of
    United’s conduct.
    In this regard, recall that Plaintiffs’ pretext showing relied on casting doubt
    on United’s nondiscriminatory rationales for its decision to investigate, discipline,
    and constructively discharge Plaintiffs. And the jury heard evidence that the
    relevant United employees—in taking these actions—knew that they were legally
    prohibited from discriminating against Plaintiffs on the basis of their age. Thus,
    35
    Appellate Case: 19-1373     Document: 010110650254         Date Filed: 02/28/2022    Page: 36
    once the jury disbelieved United’s rationales and credited Plaintiffs’ version of
    events—as the jury’s verdict on the ADEA liability question indicates—it could
    reasonably infer from United’s awareness of the prohibition against age
    discrimination that United knew it was violating the law when it took the adverse
    actions that it did against Plaintiffs or, at the very least, that it recklessly
    disregarded such a possibility. As applied to the facts of this case, the Ninth
    Circuit’s words ring true: “The jury was entitled to credit the [Plaintiffs’]
    evidence, which supported a conclusion that the discrepant (and perhaps,
    incredible) responses proffered by [United’s agents] were unsuccessful attempts
    to mask a statutory violation.” Pape Lift, 
    115 F.3d at 680
    .
    All that said, we pause to clarify the scope of our holding. We are not
    saying that the evidence of willfulness in this case was abundant. It was not. As
    we have explained above, Plaintiffs failed to provide any direct evidence of age
    discrimination by United. Even though Hazen Paper instructs us that the absence
    of such evidence is not determinative, see 
    507 U.S. at 617
    , it is a notable
    weakness in Plaintiffs’ willfulness showing. Cf. Minshall, 
    323 F.3d at 1283
    (“[Employer’s manager] . . . testified that she was instructed by [the company]
    not to hire anyone under the age of 40 to replace [the plaintiff]. From this
    evidence, the jury could reasonably conclude that [the employer] knew its
    decision not to renew [the plaintiff’s] contract was in violation of the ADEA or
    acted with reckless disregard over the matter. Accordingly, the district court did
    36
    Appellate Case: 19-1373    Document: 010110650254         Date Filed: 02/28/2022    Page: 37
    not err in granting [the plaintiff] liquidated damages.”); Miller v. Maxwell’s Int’l
    Inc., 
    991 F.2d 583
    , 586 (9th Cir. 1993) (“conclud[ing] that [the plaintiff]
    sufficiently alleged willful violations of the ADEA” where, among other things,
    the plaintiff “alleged . . . that [two general mangers] willfully belittled her
    because of her age in front of customers and other employees”); 1 Ruzicho, et al.,
    supra, § 5.6 (“The most willful end of the continuum often involves direct
    evidence . . . .”).
    Moreover, we do not hold that the willfulness standard will be satisfied in
    every instance where plaintiffs are able to establish pretext and that the
    employer’s decision-makers were trained on and aware of the legal prohibition
    against age discrimination. Cf. Starceski v. Westinghouse Elec. Corp., 
    54 F.3d 1089
    , 1104–05 (3d Cir. 1995) (Garth, J., concurring in part and dissenting in part)
    (“The Supreme Court and the courts of appeals have repeatedly recognized that
    Congress did not intend every violation of the ADEA to be a willful violation. In
    [Thurston], the Supreme Court rejected [plaintiff’s] argument that a violation was
    willful whenever the employer knew the ADEA was ‘in the picture’ because that
    standard would eliminate the distinction between ordinary and willful violations.”
    (quoting Thurston, 
    469 U.S. at
    127–28)).
    As we have noted, the willfulness inquiry is “fact-sensitive and
    individualistic.” Raytheon, 716 F.3d at 146. Consequently, the outcome of the
    willfulness inquiry in one case—which turns in significant part on a plaintiff’s
    37
    Appellate Case: 19-1373     Document: 010110650254        Date Filed: 02/28/2022     Page: 38
    pretext showing—will not necessarily be susceptible of being readily mapped
    onto other cases that also involve significant pretext showings but different facts.
    Cf. Schnabel v. Abramson, 
    232 F.3d 83
    , 90 (2d Cir. 2000) (“[W]e hold that the
    Supreme Court’s decision in Reeves clearly mandates a case-by-case approach,
    with a court examining the entire record to determine whether the plaintiff could
    satisfy his ‘ultimate burden of persuading the trier of fact that the defendant
    intentionally discriminated against the plaintiff.’” (quoting Reeves, 
    530 U.S. at 143
    )); 1 Ruzicho, et al., supra, § 2:27 (noting that, in discerning pretext, the
    Supreme Court’s “lesson is that each case must be considered on its unique facts
    and theories”). Therefore, the outcome in this case does not necessarily dictate
    the outcome in another.
    In this regard, it is particularly significant that the relatively strong case of
    pretext that Plaintiffs demonstrated here and employed in support of their
    willfulness showing was in substantial part based on undermining the credibility
    of United’s witnesses. As a consequence, in the context of the denial of a JMOL
    motion, our review of the jury’s willfulness determination has been necessarily
    narrowly circumscribed because—as we have repeatedly noted—we are not at
    liberty to re-weigh witness credibility or otherwise second-guess the jury’s
    determination on this matter. See, e.g., Eby Realty, 
    396 F.3d at 1110
    ; Kenworthy,
    
    979 F.2d at 1468
    ; cf. Wilson v. AM Gen. Corp., 
    167 F.3d 1114
    , 1121 (7th Cir.
    1999) (noting in the context of an ADEA pretext analysis, that “we are not quick
    38
    Appellate Case: 19-1373    Document: 010110650254        Date Filed: 02/28/2022    Page: 39
    to overturn the jury’s judgment on the credibility of [] witnesses, especially in an
    employment discrimination case ‘where the result frequently turns on sensitive
    and difficult factual questions involving motive, thus often making the credibility
    of the witnesses decisive[]’” (quoting Mathewson v. National Automatic Tool Co.,
    
    807 F.2d 87
    , 90 (7th Cir. 1986))).
    Yet pretext showings will not always turn so heavily on witness credibility.
    See, e.g., Manzer v. Diamond Shamrock Chemicals Co., 
    29 F.3d 1078
    , 1984–85
    (6th Cir. 1994) (noting that one means to show pretext, which is “of an entirely
    different ilk” than the showing that relies on directly attacking the credibility of
    defendant’s neutral explanations, depends on demonstrating that “the sheer weight
    of the circumstantial evidence of discrimination makes it ‘more likely than not’
    that the employer’s explanation is a pretext, or coverup”), abrogated on other
    grounds by Geiger v. Tower Auto., 
    579 F.3d 614
    , 621 (6th Cir. 2009); Tomasso v.
    Boeing Co., 
    445 F.3d 702
    , 709 (3d Cir. 2006) (“Even if a rational factfinder
    would have to conclude that these [age-neutral employer] rationales played some
    role in [plaintiff’s] layoff, the factfinder would not have to conclude that they
    provide a sufficient explanation.”); see also 1 Ruzicho, et al., supra, § 2:27 (“An
    alternative approach to proving pretext is evidence that discrimination was a more
    likely reason than even a factually supported legitimate, nondiscriminatory
    reason.”); cf. Reeves, 
    530 U.S. at
    147–48 (explaining that, although attacking the
    credibility of a defendant’s witness is “probative of intentional discrimination”
    39
    Appellate Case: 19-1373     Document: 010110650254        Date Filed: 02/28/2022    Page: 40
    which may be “persuasive” to a jury, such a pretext showing heavily reliant on
    undermining the credibility of an employer’s justification may not “always be
    adequate to sustain a jury’s finding of liability[,]” if, for instance, “the record
    conclusively revealed some other, nondiscriminatory reason for the employer’s
    decision”); 1 Ruzicho, et al., supra, § 2:27 (“The articulated reason is deemed
    pretextual because it camouflaged the ageist motive. . . . Proof that the
    employer’s articulated reason was false may, in a particular case, reveal nothing
    more than the employer lied, perhaps about an improper or unlawful reason other
    than age discrimination.” (emphasis added) (footnote omitted)). Accordingly, the
    outcome of our willfulness inquiry in another case where there is no direct
    evidence of age discrimination and the plaintiff’s willfulness showing turns in
    significant part on its pretext evidence could well be different.
    What we can say with confidence is that the evidence here does not
    “conclusively favor[]” United on the willfulness question. Mountain Dudes, 946
    F.3d at 1130 (“Judgment as a matter of law is cautiously and sparingly granted
    and then only when the court is certain the evidence conclusively favors one party
    such that reasonable [people] could not arrive at a contrary verdict.” (alteration in
    original) (emphasis added) (quoting Bill Barrett, 918 F.3d at 766)). Though it
    was not abundant, the evidence was sufficient for the jury to reasonably conclude
    that United acted willfully in discriminating against Plaintiffs on the basis of age.
    Stated otherwise, we conclude that Plaintiffs’ distinct showing of
    40
    Appellate Case: 19-1373   Document: 010110650254       Date Filed: 02/28/2022      Page: 41
    willfulness—which rested on the same universe of evidence that was before the
    jury on the question of ADEA liability—was sufficient to permit the jury to
    reasonably find that United acted willfully. Accordingly, the district court
    correctly denied United’s motion for JMOL, insofar as it related to the jury’s
    willfulness finding.
    B
    Finally, we turn to United’s last contention: The district court erred in
    admitting Plaintiffs’ emotional distress testimony because, in United’s view, it
    was irrelevant and highly prejudicial evidence.
    “We review for abuse of discretion a district court’s denial of a rule 59(a)
    motion for new trial.” Engle, 721 F.3d at 1216. Likewise, “[w]hen the issue of
    whether to grant a new trial ‘hinges on the admissibility of evidence,’ this court
    reviews the ‘admission of the evidence for abuse of discretion.’” Minshall, 
    323 F.3d at 1283
     (quoting Sanjuan v. IBP, Inc., 
    160 F.3d 1291
    , 1296 (10th Cir.
    1998)). “Because evidentiary rulings are within the sound discretion of the
    district court, [we] will reverse only upon a ‘definite and firm conviction that the
    lower court made a clear error of judgment or exceeded the bounds of permissible
    choice in the circumstances.’” United States v. Chavez, 
    976 F.3d 1178
    , 1193
    (10th Cir. 2020) (quoting United States v. Samaniego, 
    187 F.3d 1222
    , 1223 (10th
    Cir. 1999)).
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    Appellate Case: 19-1373    Document: 010110650254        Date Filed: 02/28/2022       Page: 42
    Our inquiry “does not end” with whether a district court abused its
    discretion, however. Id. at 1204. “To obtain a reversal for the allegedly
    erroneous admission of evidence . . ., an appellant also must make a showing of
    prejudice.” Racher v. Westlake Nursing Home Ltd. P’ship, 
    871 F.3d 1152
    , 1161
    (10th Cir. 2017). In other words, even where the district court erroneously admits
    evidence, “we still may not grant relief if the district court’s error was harmless.”
    Chavez, 976 F.3d at 1204 (quoting United States v. Washington, 
    653 F.3d 1251
    ,
    1270 (10th Cir. 2011)). “An erroneous admission of evidence is harmless unless
    it had a substantial influence on the outcome or leaves one in grave doubt as to
    whether it had such effect.” James River Ins. Co. v. Rapid Funding, LLC, 
    658 F.3d 1207
    , 1212 (10th Cir. 2011) (quoting United States v. Yeley-Davis, 
    632 F.3d 673
    , 685 (10th Cir. 2011)). “Similarly, [we] may set aside a jury verdict due to
    erroneously admitted evidence only if [we] reasonably conclude[] that a trial
    without that evidence would have had a contrary result.” Racher, 871 F.3d at
    1161 (citing Sanjuan, 
    160 F.3d at 1296
    ).
    United argues it is entitled to a new trial because of the district court’s
    allegedly erroneous admission of Plaintiffs’ emotional distress testimony, which
    United says was prejudicial and irrelevant. At trial, the court overruled United’s
    objection to the testimony, stating that Plaintiffs “ha[d] to be able to provide
    background evidence as to the constructive discharge claims[,]” and Plaintiffs’
    subjective reactions to their circumstances “provide[d] a context” for their
    42
    Appellate Case: 19-1373    Document: 010110650254        Date Filed: 02/28/2022     Page: 43
    constructive discharge theory. Aplt.’s App., Vol. X, at 2531. While, as we have
    noted, United has not specifically challenged on appeal the jury’s finding of
    constructive discharge, it still contends that Plaintiffs’ emotional distress
    testimony—which United refers to as “feelings” testimony—was irrelevant to the
    objective constructive discharge inquiry. 12 Aplt.’s Opening Br. at 55–59. More
    generally, United asserts the district court “abused its discretion” and violated
    Federal Rule of Evidence 403 by allowing such testimony “[b]ecause the danger
    of unfair prejudice, confusing the issues, and misleading the jury . . . vastly
    outweighed any conceivable relevance.” Id. at 62.
    In response, Plaintiffs maintain that, at bottom, “[e]vidence that Plaintiffs
    experienced a strong emotional reaction in response” to their conversations with
    their supervisors regarding retirement supported their claim of constructive
    discharge because it “made it more likely” that they did not voluntarily retire;
    rather, United presented them with “an ultimatum”: “retire[] immediately” or be
    fired. Aplees.’ Resp. Br. at 50. According to Plaintiffs, United “concede[d] that
    Plaintiffs could testify about their subjective perception of their options during
    the disciplinary process,” which would have been “almost impossible” to do
    “divorced from their mental state.” Id. at 52. In this regard, Plaintiffs contend
    12
    See, e.g., Bennett v. Windstream Commc’ns, Inc., 
    792 F.3d 1261
    ,
    1269 (10th Cir. 2015) (applying “an objective standard” to a constructive
    discharge claim); Sandoval v. City of Boulder, 
    388 F.3d 1312
    , 1325 (10th Cir.
    2004) (same); Garrett v. Hewlett-Packard Co., 
    305 F.3d 1210
    , 1221 (10th Cir.
    2002) (same).
    43
    Appellate Case: 19-1373    Document: 010110650254        Date Filed: 02/28/2022    Page: 44
    that “[p]recluding [them] from addressing their emotional reactions during the
    disciplinary process would have wrongly prohibited Plaintiffs from explaining
    why they retired rather than wait[ed] to be fired”—that is, wrongly prevented
    them from offering “a critical factor driving each Plaintiff’s decision-making
    process.” 
    Id.
     Accordingly, Plaintiffs reason that the court properly admitted this
    evidence as relevant to their claim of constructive discharge.
    Plaintiffs also contend that, even if the emotional distress testimony were
    improperly admitted, the testimony’s effect, if any, would have been harmless.
    Significantly, “[t]he jury was instructed ‘that the fact that either Plaintiff may or
    may not have suffered . . . emotional [upset, pain and suffering, or any other
    similar] effects ha[d] no bearing on whether [United] violated the ADEA.’” Id. at
    54 (omission and second alteration in original) (quoting Aplt.’s App., Vol. XV, at
    3732). Plaintiffs urge us to presume the jury followed this instruction and
    contend that United “provides no basis to believe” that the jury disregarded it. Id.
    On the question of whether the emotional distress testimony was harmful,
    Plaintiffs further point out that United never sought a limiting instruction
    regarding it. Id. at 54 n.10. Finally, Plaintiffs emphasize how “minimal” their
    emotional distress testimony was over the five-day trial. Id. at 55. Taking all
    these arguments together, Plaintiffs conclude that United fails to show that this
    testimony, if prejudicial at all, warranted a new trial. Id. at 55–56.
    44
    Appellate Case: 19-1373    Document: 010110650254       Date Filed: 02/28/2022      Page: 45
    We conclude that United’s arguments for reversal are unavailing. The
    district court concluded its assessment of United’s request for a new trial the
    following way: “United has provided no basis from which the [c]ourt can
    conclude that the emotional distress evidence had a substantial effect on the
    outcome or that a contrary result would have occurred if such evidence had been
    excluded.” Aplt.’s App., Vol. V, at 1170. We agree.
    Put succinctly, even if the district court erred in some manner in admitting
    Plaintiffs’ emotional distress testimony, its admission did not have a substantial
    influence on the outcome or cause us to have grave doubts about this matter.
    Therefore, there is no reversible error, and the district court properly denied
    United’s motion for a new trial.
    As the district court reasoned, “the emotional distress evidence was
    minimal over the context of the five-day trial,” id. at 1167, and we believe that,
    acting reasonably, the jury would have been hard pressed to find it inflammatory
    or the basis for any special sympathy for Plaintiffs. Indeed, United’s own
    description of the purportedly objectionable testimony reveals just how
    inconsequential it was. United directs us for instance to Ms. Stroup’s testimony
    that her call with Mr. Dodge informing her of United’s termination decision was
    “very stressful” and that it made her “upset and confused.” Aplt.’s Opening Br.
    at 54 (quoting Aplt.’s App., Vol. XI, at 2639, 2668 (Tr. Jeanne Stroup Test.,
    dated Feb. 18, 2018)). Ms. Stroup also testified that she felt she was “treated
    45
    Appellate Case: 19-1373    Document: 010110650254       Date Filed: 02/28/2022     Page: 46
    completely unfairly” and, based on this feeling, concluded “there had to be an
    underlying reason why [she] was being treated so harshly.” Id. at 54–55 (quoting
    Aplt.’s App., Vol. XII, at 2704 (Tr. Jeanne Stroup Test., dated Feb. 27, 2018)).
    Mr. Lee offered similar unremarkable testimony, stating he was stressed and
    “shocked” by United’s actions and that he had the feeling United simply did not
    care about him. Id. at 55 (quoting Aplt.’s App., Vol. XII, at 2870, 2903 (Tr.
    Ruben Lee Test., dated Feb. 27, 2018); Id. Vol. XIV, at 3393 (Tr. Ruben Lee
    Test., dated Mar. 1, 2018)).
    Cutting to the heart of the matter, we do not see how any such statements
    could have inflamed the jury against United or engendered such sympathy for
    Plaintiffs that it would have substantially affected the jury’s verdict. To be sure,
    United states in conclusory fashion that “[t]he jury heard and observed Plaintiffs’
    delivery (itself emotional) of all this testimony, which undoubtedly played to
    jurors’ sympathies and factored into their verdict.” Id. But United fails to give
    us persuasive grounds—based on the record before us—on which to conclude that
    the jury would have reached a different outcome had it not heard such testimony.
    Furthermore, the lack of potential for the emotional distress testimony to
    substantially affect the outcome is underscored when we consider Plaintiffs’
    essential theory of the case. Plaintiffs sought to demonstrate that United willfully
    violated the ADEA in large part by showing that purported irregularities in
    United’s investigative and disciplinary process signaled that United’s reasons for
    46
    Appellate Case: 19-1373     Document: 010110650254         Date Filed: 02/28/2022        Page: 47
    its actions were a pretext for age discrimination. Yet Plaintiffs’ testimony about
    their emotional distress in response to United’s decision to terminate them bears
    virtually no logical relationship to such pretext evidence regarding purported
    irregularities. Indeed, Plaintiffs presented the emotional distress testimony in an
    effort to persuade the jury regarding a distinct matter—that is, regarding whether
    they were constructively discharged. Whether the emotional distress testimony
    was actually relevant to this matter or not, 13 it is clear to us that it had only a
    limited substantive role to play in advancing Plaintiffs’ theory of the case.
    Accordingly, the potential for this evidence to substantially affect the jury’s
    consideration of the evidence and its verdict seems negligible. Indeed, this is
    even more true when this legal point is combined with the not surprising fact that
    this tangential testimony—as the district court indicated—occupied comparatively
    little time over the course of the five-day trial and was far from inflammatory.
    Lastly, there is yet another reason why we are confident that the admission
    of Plaintiffs’ emotional distress testimony did not have a substantial influence on
    the outcome: the jury instructions. The district court specifically limited the
    jury’s use of the emotional distress testimony in the following way: “Damages
    13
    Citing our decision in Sanchez v. Denver Pub. Sch., 
    164 F.3d at 534
    ,
    the district court determined that Plaintiffs’ emotional distress testimony was
    relevant to the constructive discharge issue. See Aplt.’s App., Vol. V, at 1168
    (“[H]ow Plaintiffs felt at that time also provides context for the jury to decide
    whether they felt compelled to resign.”). We have no need to definitively opine
    on this matter.
    47
    Appellate Case: 19-1373    Document: 010110650254       Date Filed: 02/28/2022    Page: 48
    should not and may not be awarded for any emotional upset, pain and suffering,
    or any similar such effects; such damages are not recoverable under the ADEA.”
    Aplt.’s App., Vol. XV, at 3732 (Jury Inst. 20). And we may presume that the jury
    followed this instruction. See Webb v. ABF Freight Sys., Inc., 
    155 F.3d 1230
    ,
    1248 (10th Cir. 1998) (“presum[ing] the jury followed the court’s instruction to
    disregard the emotional distress evidence in the absence of certain findings”);
    accord United States v. Hamilton, 
    587 F.3d 1199
    , 1219 (10th Cir. 2009).
    Consequently, like the district court, we believe that “[a]ny prejudice that [the
    emotional distress testimony] may have caused United was mitigated,” to a
    significant extent, by the jury instructions. Aplt.’s App., Vol. V, at 1170.
    Thus, we conclude that, even if the district court erred in some manner in
    admitting Plaintiffs’ emotional distress testimony, its admission did not have a
    substantial influence on the outcome or cause us to have grave doubts about this
    matter. This conclusion is not altered by United’s procedural attack on the
    admission of the evidence. United contends that Plaintiffs should have been
    precluded from introducing emotional distress testimony based on representations
    that they made during the discovery process. United notes the following events in
    support of this argument: (1) Plaintiffs objected to United’s discovery requests
    seeking information and documents relating to their psychological or emotional
    state and treatment by healthcare providers; (2) based on this objection, United
    did not pursue further discovery on this issue; and (3) United later moved in
    48
    Appellate Case: 19-1373    Document: 010110650254       Date Filed: 02/28/2022    Page: 49
    limine to preclude emotional distress testimony under Rules 402 and 403 of the
    Federal Rules of Evidence, which the district court denied. See Aplt.’s Opening
    Br. at 53–55, 59–61.
    United argues that the district court “ignored” Plaintiffs’ discovery-related
    misconduct, which ran afoul of (1) Federal Rule of Civil Procedure 37(c)(1),
    because Plaintiffs purportedly failed to abide by this rule’s duty to supplement
    pretrial disclosures under Federal Rule of Civil Procedure 26(e), and (2) the
    doctrine of judicial estoppel, because “Plaintiffs decided to reverse their prior
    position [during discovery] that emotional distress evidence was irrelevant and
    inadmissible,” when they proceeded to trial. 
    Id.
     at 59–61.
    For their part, Plaintiffs contend their emotional distress testimony was
    separate from any pretrial discovery relating to emotional damages or mental
    health records; therefore, they did not contravene the discovery rules by
    presenting emotional distress testimony at trial. Further, Plaintiffs reject United’s
    judicial estoppel argument and contend that United “waived this argument by
    failing to seek to compel the discovery after [the] Plaintiffs objected”—that is to
    say, because United “never sought judicial intervention, . . . judicial estoppel is
    inapplicable.” Aplees.’ Resp. Br. at 53.
    We may dispose of United’s procedural attack summarily. Irrespective of
    whether the district court committed any error in ignoring Plaintiffs’ purported
    discovery-related misconduct—and our review of the record, at first blush,
    49
    Appellate Case: 19-1373    Document: 010110650254       Date Filed: 02/28/2022      Page: 50
    suggests to the contrary—we already have concluded here that the admission of
    the emotional distress testimony did not have a substantial influence on the
    outcome or cause us to have grave doubts about this matter. In other words, we
    already have concluded that there was no harmful effect on the jury’s verdict
    from this testimony that would warrant reversal. Consequently, it strikes us as
    beside the point how or why the testimony made its way into the trial; even if it
    were due to district-court error, that would not alter the fact the testimony’s
    impact was legally harmless. Consequently, United’s procedural attack on the
    admission of the evidence does not affect our conclusion. That is, the court did
    not err in denying United’s motion for a new trial, insofar as United challenged
    the admission of this testimony.
    III
    For all these reasons, we conclude United’s challenges on appeal are
    meritless. As a result, we uphold the district court’s orders denying United’s
    JMOL motion and its Rule 59 motion for a new trial and AFFIRM the court’s
    judgment.
    50