I love to swim. When I jump in the water, I feel like I'm 12 years old again. It's really funny how it does that to me.

Tennis is interesting because the women are almost more popular than the men. In the U.S. Open, women even get exactly the same money as the men.

I love to swim. When I jump in the water, I feel like I'm 12 years old again. It's really funny how it does that to me.

I love to run, but training can be hard, especially with a family and a crazy travel schedule. I often do sprints with my kids, where they bike and I run along side them so we can 'race' each other for a quarter-mile or shorter repeats.

Here's what I've learned about eating healthy when you're busy: It's all about preparation. Make your snacks on Sunday, and you will be good to go until Thursday or so.

You can't go wrong with some nuts. The key word is 'some.' Eat them one at a time, not by the handful.

I started swimming when I was four because my brother wanted to join a swim team, and I wanted to do what he did. They said I had to be six, but if I could swim a lap, then I could participate. So I swam a lap, and the rest is history.