Over the years, I've made many sacrifices to win two Olympic gold medals and put together winning streaks that will never be broken.

It's important to just kind of get away from your sport until you miss it. It's about taking time to enjoy other aspects of life or learn new things. It helps rejuvenate.

I've never been outside Heathrow so it will be exciting to see what London has to offer. I think I've only flown into Heathrow maybe twice.

The more colorful the food, the better. I try to add color to my diet, which means vegetables and fruits.

A lot of people had doubts. I tried to tell people I never had doubts.

My favorite power food is Greek yogurt and honey.

I think the most surprising thing about the Olympics would be the amount of interaction and partying that goes on behind the scenes. They have nightclubs at the Olympic Village. It's like college all over again.