He stole Chris Leben's line, who also said it a lot better.
'Fighters are like strippers: they’re not paying their way through college. What I mean by that is that there’s something in the past that’s driven them to do what they’re doing. And I feel that’s the same thing with fighters. Every fighter, even when they walk in the gym and they’ll seem like the most clean-cut good guy, you’re gonna find the skeletons down in there somewhere. There’s something that makes you go, “I’m gonna risk getting my face smashed in front of all of my friends and family and throw possible future careers out the window. I’m gonna dedicate everything to doing this, and who knows what the ramifications are gonna be for me 10 years down the road.” To take that risk, there’s definitely some stuff going on inside that guy.'