The rate of childhood obesity is just ridiculous. Anytime I can get involved with teaching them how to get physical exercise, I want to help in any way possible.
At the Olympics, you there to do a job. I feel you should take it seriously. You should be respectful. You are putting on the red-white-and-blue and going out there to perform for your country.
Gymnastics is the type of sport where you can't take something that gives you more energy. Something may be great for the vault, but then you have the bars after it and you have to be more sedate for that.