I took care of my body. Your body is your business in the NFL.

I'm a gym rat, I have to admit. I live in the gym, and now that I don't have to get beat up for a living, I can truly enjoy taking care of myself without worrying about breaking my leg or getting paralyzed.

Everybody dismissed athletes as being purely physical, but when you retire, you go from such an intense brain time - study of defense, audibles, hand signals, plays, adjustments - to a level of mental inactivity that's hard to comprehend. It's a big reason why I stay so active. Creating, evolving.

I took care of my body. Your body is your business in the NFL.

As a football player, you're really an actor. I spent all Sunday getting into character. Sunday at 10 a.m., I have to be upset with someone who didn't do anything to me. By 11 a.m. I have to be angry. And by noon, I have to be furious.

There are a lot of black men doing really well, taking care of their families, taking care of their wives, being successful, doing the right thing, promoting the right thing. There needs to be an evolution in our portrayal. We have to come together, pool our resources and tell our own stories. People won't respect us unless we make them.

Football was everything to me. There was the physical aspect, sure. I did pushups and sit-ups every night, even as a kid. But I also just studied the game constantly. It was my life.