Nobody likes a cheater! We’ve all heard about the million ways people catch their significant others cheating — but this is a new one. One woman found out that her boyfriend was being unfaithful when his “physical activity” levels weirdly spiked on his Fitbit device.

Last week, NFL Network reporter Jane Slater replied to a fellow correspondent’s tweet about the Peloton bike and the brand’s recent, controversial holiday ad by sharing the story of her former beau’s fitness-tracker fail. Her shocking admission has since gone viral, with over 46,000 shares and thousands of comments.

“An ex-boyfriend once got me a Fitbit for Christmas. I loved it. We synched up, motivated each other… Didn’t hate it until he was unaccounted for at 4 a.m. and his physical activity levels were spiking on the app,” Slater revealed. “Wish the story wasn’t real.”

“Spoiler alert: he was not enrolled in an OrangeTheory class at 4 a.m.,” Slater added.

Though the 38-year-old reporter said she first “sobbed uncontrollably” when she put the clues together, she has since moved on and says she’s laughed “many times” about the Fitbit fail.

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