its because of his diet. when rachelle leah did all access with him, he said he doesnt watch what he eats anymore. he just makes sure he gets the proper nutrients. he says he burns through around 4k + calories a day training, so he doesnt see the need to watch his meals as closely. if he cut out the fatty foods he'd be ripped. but fatty foods taste good.
Top 5 fav. fighters (in order)
5. Big Nog