Bob Harper on ‘The Traitors’ season 3.Photo:Euan Cherry/Peacock via Getty

THE TRAITORS – “Let Battle Commence” Episode 301 – Pictured: Bob Harper

Euan Cherry/Peacock via Getty

Bob Harperis opening up about a transformative moment he experienced while filmingThe Traitors.In an exclusive interview with PEOPLE alongside castmateBritney Haynes, the celebrity trainer, 59, shared that taking on one of the reality show’s more physically taxing missions led to a key turning point in his emotional and physical healing journey following hisheart attack.In February 2017, Harper, who was 51 at the time, went into cardiac arrest during a workout. A pair of doctors, who happened to be at the gym at the time, performed CPR and ultimately saved his life. Harper later learned that he had experienced a widowmaker heart attack, which occurs when there is a blockage in the heart’s largest artery.Bob Harper (center) competes in a mission in a ‘Traitors’ season 3 episode.Euan Cherry/PeacockIn the fourth episode ofTraitorsseason 3, Harper and fellow players were challenged to carry Easter Island replica statues up a steep hill. The formerBiggest Loserstar found himself feeling winded and needing the help of his costars to complete the mission. He reflected on camera about having to “redefine who I am” since his health scare.He tells PEOPLE it was a humbling experience that made him realize he is still coming to terms with his physical limitations. “That day really f—– me up,” he recalls. “And I’ll tell you, since my heart attack, I completely changed the way I work out. And for years all I’ve done is yoga.“But pushing himself on the show, he says, ultimately led to a significant mindset shift.“SinceTraitorsand since that day, I have definitely changed the way I work out and I’m doing a lot more challenging things, which feels really good,” he explains, while admitting, “But for the longest time, I didn’t trust my heart anymore.“Harper says he “didn’t want to push it” physically out of fear of another cardiac incident.He credits Haynes, a formerBig Brothercontestant, for helping to lighten what was an emotionally heavy day of filming with a little humor.Bob Harper (center) with fellow ‘Traitors’ players.Euan Cherry/Peacock"There was a funny moment during that mission. [Britney and I are] trying to carry this thing, which was really, really heavy. And at one point, we drop it down and we’re both kind of breathing heavily and she looks at me and she was like, ‘Do you think you can kind of fake another heart attack or something?’ " he recalls.“I was like, ‘Let’s just fake an injury and get out of here,’ " Haynes chimes in. “They’re going to helivac us out of here.“Joking aside, Haynes says it wasn’t until later, when she saw the episode, that she understood the magnitude of Harper’s experience during that mission.“I loved watching it for a different perspective because honestly, when we were actually in it and doing it, I was having fun with you,” she tells Harper. “We were laughing, we were joking about how hard it was. We were talking about faking an injury. So I wasn’t seeing it through the lens of what an actual touching experience it was for you to have this realization of who you were versus who you are.""[It] made me have a different appreciation for what was happening in the moment,” Haynes adds.Bob Harper in 2025.Charles Sykes/Bravo via GettyHarper — who ended up getting “murdered” offTraitorsin the Jan. 30 episode — previously spoke to PEOPLE about the emotions he grappled with following his heart attack in a 2020 interview. “People don’t realize, until you are a survivor, the emotional struggles that you go through, the identity crisis,” he said at the time. “I thought, ‘Who am I if I’m not that guy in the gym that’s throwing up tons of weight and pushing myself to these limits?’ “He also detailed his health scare and the aftermath in his bookThe Super Carb Diet, released in December 2017. He described experiencing depression, which he said “won the fight on most days."“ ‘My heart gave up on me,’ repeated in my head. Rationally, I knew this was crazy, but I couldn’t stop it,” he wrote. “My heart had been pumping away in my chest without any problems for years. It kept me running around as a kid all the way through my adulthood.“Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer​​, from celebrity news to compelling human interest stories.“I’ve cried a lot over my broken heart since that February day. Now that it’s recovered I am trying to trust it again,” he continued, noting that his cardiac rehab program “helped me through all these feelings.“Harper also reflected on how his heart attack gave him a new perspective on life. “I said on theTodayshow when I shared my story that I was not going to stress over the little things or the big things anymore,” he wrote. “I said I would focus on the things that really matter in life. Friends. Family. My dog. Love. Happiness.“New episodesofThe Traitorsstream Thursdays at 9 p.m. ET on Peacock.

Bob Harperis opening up about a transformative moment he experienced while filmingThe Traitors.

In an exclusive interview with PEOPLE alongside castmateBritney Haynes, the celebrity trainer, 59, shared that taking on one of the reality show’s more physically taxing missions led to a key turning point in his emotional and physical healing journey following hisheart attack.

In February 2017, Harper, who was 51 at the time, went into cardiac arrest during a workout. A pair of doctors, who happened to be at the gym at the time, performed CPR and ultimately saved his life. Harper later learned that he had experienced a widowmaker heart attack, which occurs when there is a blockage in the heart’s largest artery.

Bob Harper (center) competes in a mission in a ‘Traitors’ season 3 episode.Euan Cherry/Peacock

THE TRAITORS – “I Will Bury You Under The Sand” Episode 304 – Pictured: (l-r) Bob The Drag Queen, Tom Sandoval, Danielle Reyes, Bob Harper, Derrick Levasseur

Euan Cherry/Peacock

In the fourth episode ofTraitorsseason 3, Harper and fellow players were challenged to carry Easter Island replica statues up a steep hill. The formerBiggest Loserstar found himself feeling winded and needing the help of his costars to complete the mission. He reflected on camera about having to “redefine who I am” since his health scare.

He tells PEOPLE it was a humbling experience that made him realize he is still coming to terms with his physical limitations. “That day really f—– me up,” he recalls. “And I’ll tell you, since my heart attack, I completely changed the way I work out. And for years all I’ve done is yoga.”

But pushing himself on the show, he says, ultimately led to a significant mindset shift.

“SinceTraitorsand since that day, I have definitely changed the way I work out and I’m doing a lot more challenging things, which feels really good,” he explains, while admitting, “But for the longest time, I didn’t trust my heart anymore.”

Harper says he “didn’t want to push it” physically out of fear of another cardiac incident.

He credits Haynes, a formerBig Brothercontestant, for helping to lighten what was an emotionally heavy day of filming with a little humor.

Bob Harper (center) with fellow ‘Traitors’ players.Euan Cherry/Peacock

THE TRAITORS – “I Will Bury You Under The Sand” Episode 304 – Pictured: (l-r) Chrishell Stause, Robyn Dixon, Ciara Miller, Bob Harper, Bob The Drag Queen, Britney Haynes, Carolyn Wiger, Tom Sandoval, Sam Asghari

“There was a funny moment during that mission. [Britney and I are] trying to carry this thing, which was really, really heavy. And at one point, we drop it down and we’re both kind of breathing heavily and she looks at me and she was like, ‘Do you think you can kind of fake another heart attack or something?’ " he recalls.

“I was like, ‘Let’s just fake an injury and get out of here,’ " Haynes chimes in. “They’re going to helivac us out of here.”

Joking aside, Haynes says it wasn’t until later, when she saw the episode, that she understood the magnitude of Harper’s experience during that mission.

“I loved watching it for a different perspective because honestly, when we were actually in it and doing it, I was having fun with you,” she tells Harper. “We were laughing, we were joking about how hard it was. We were talking about faking an injury. So I wasn’t seeing it through the lens of what an actual touching experience it was for you to have this realization of who you were versus who you are.”

“[It] made me have a different appreciation for what was happening in the moment,” Haynes adds.

Bob Harper in 2025.Charles Sykes/Bravo via Getty

WATCH WHAT HAPPENS LIVE WITH ANDY COHEN – Episode 22017 – Pictured: Bob Harper

Charles Sykes/Bravo via Getty

Harper — who ended up getting “murdered” offTraitorsin the Jan. 30 episode — previously spoke to PEOPLE about the emotions he grappled with following his heart attack in a 2020 interview. “People don’t realize, until you are a survivor, the emotional struggles that you go through, the identity crisis,” he said at the time. “I thought, ‘Who am I if I’m not that guy in the gym that’s throwing up tons of weight and pushing myself to these limits?’ "

He also detailed his health scare and the aftermath in his bookThe Super Carb Diet, released in December 2017. He described experiencing depression, which he said “won the fight on most days.”

“ ‘My heart gave up on me,’ repeated in my head. Rationally, I knew this was crazy, but I couldn’t stop it,” he wrote. “My heart had been pumping away in my chest without any problems for years. It kept me running around as a kid all the way through my adulthood.”

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer​​, from celebrity news to compelling human interest stories.

“I’ve cried a lot over my broken heart since that February day. Now that it’s recovered I am trying to trust it again,” he continued, noting that his cardiac rehab program “helped me through all these feelings.”

Harper also reflected on how his heart attack gave him a new perspective on life. “I said on theTodayshow when I shared my story that I was not going to stress over the little things or the big things anymore,” he wrote. “I said I would focus on the things that really matter in life. Friends. Family. My dog. Love. Happiness.”

New episodesofThe Traitorsstream Thursdays at 9 p.m. ET on Peacock.

source: people.com