Kids are starting at such a low base rate in terms of fitness that it's taking them years to catch up to where people like me started from. Every little bit is making it more difficult for kids to succeed on a world stage.

I'm obsessive. I want to know the answer to how good I am. Most people aren't.

What used to drive me was the fact that I wanted to be better than everybody at something. One of my best qualities is that I used whatever other people found to be an adverse thing to be a positive thing for myself.

The only limitations are mental. The guy who thinks positively will win.

People tend to like an athlete's performance, but if you don't get a feeling for the individual, you're not very emotive about them.

Kids are starting at such a low base rate in terms of fitness that it's taking them years to catch up to where people like me started from. Every little bit is making it more difficult for kids to succeed on a world stage.

There's no day when I don't think it would be great to be 25 years old and have the Olympics coming in less than 300 days - and be the best in the world. I can't think of anything so motivating.