Jennifer Lopez has become a “fitness robot” who is obsessed with her body, and it caused problems in her relationship with boyfriend Casper Smart, RadarOnline.com has exclusively learned. in the romance, and “that this thing with Casper [wasn’t] forever. 10 Celebrities Who’ve Been Caught Up In Transsexual Scandals! “She’s having a hard time ignoring the fact that her head has been telling her for a while and now her heart’s saying the same thing,�? the source told us at the time. 12 Hollywood Stars Caught On Camera Cheating 
 
 The break-up was not directly connected to Smart’s alleged recent communications with multiple transexual models via Instagram, according to reports, which stated that Smart has been removing his belongings from Lopez’s home as she tours in promotion of her upcoming album. PHOTOS: Cheating, Gay Lovers, Incest, Drugs & Lip Synching! PHOTOS: Jennifer Lopez Star Style Evolution 
 
 “Jennifer used to love talking about fashion and movies with her girlfriends, but now it’s ‘this cleanse,’ ‘that workout routine.’ She’s like a fitness robot who has nothing else in her life!”
– We knew things were not looking good between Jennifer Lopez and Casper Smart, and last week the world discovered they are, in fact, over. But, though rumors have flown that the breakup had something to do with Smart's interest in transsexual models, sources tell Radar the truth is a little more mundane. J.Lo is simply "obsessed with her body," a source explains, and has become a "fitness robot" who reportedly sticks to a regimen of 90-minute workouts. She and Smart "had nothing else to talk about except diet and exercise stuff," the source says. "She has become a health and fitness bore. ... It's 'this cleanse,' 'that workout routine,'" all the time. (Click to read about 7 unusual celebrity workouts.)