Mario Lopez and his bouncy girlfriend Courtney Mazza

"A great guy" as long as you're not dating him. If you are, you better keep your body fat % under 10. From Fox:

Mario Lopez is so body-obsessed, he persuaded his beautiful girlfriend, Courtney Mazza, to undergo rigorous personal training and encouraged surgery to get her into even better shape. Sources say friends of Mazza are concerned that the image-conscious n"Extra" host started nudging her to perfect her already amazing looks once they got together. They met in 2008 while appearing together in the Broadway revival of "A Chorus Line" and started dating the next year when Mazza moved to Burbank, Calif. She's expecting their baby in September.

One source told us, "Mario is obsessed with his image. He spends a lot of time working out, and he expects his girlfriend to do the same. Even his new book is called 'Extra Lean.'

"Courtney was engaged to a guy in Queens before she met Mario, but once they got together she dropped everything to go to California and be with him," the source said. "He encouraged her to work out with a trainer every day. She underwent a boob job and liposuction last spring. Once her body was perfect, he arranged for them to be photographed on a beach."

This is disgusting. Mario should just be happy with the way his girlfriend is: funny smart bouncy. Seriously, any guy that isn't happy with those tits needs to take a good look at himself in the mirror . . . which sounds like something Mario would be all too happy to do. As vain as it is, Mario might be onto something with this idea. There is one surgery that will make any woman more appealing: larynx removal.

*10 pics total in the gallery:

[WENN]