Behind J.Lo's Breakup: Fitness Obsession? Sources say Jennifer Lopez won't talk about anything else By Evann Gastaldo, Newser Staff Posted Jun 12, 2014 9:32 AM CDT 15 comments Comments Jennifer Lopez, left, and Beau "Casper" Smart pose with her new star on the Hollywood Walk of Fame on Thursday, June 20, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP) (Newser) – 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.) My Take on This Story Report a story error Show results without voting | 31% Hilarious 5% Intriguing 10% Depressing 3% Brilliant 2% Scary 50% Ridiculous