The Mats Don't Lies, Man.

"The mats don't lie, man. I mean, there's people who get their black belts and even less time than that," he says. "If you watch the guy roll or go roll with him, if you doubt him ... times have changed." Dannehar: You can absolutely get a black belt now a lot faster than you could before because the ability to learn Jiu Jitsu has changed.