When you get into that habit of winning, it gets - I don't know if you call it contagious - but it gets to be a habit. She's developed an unbelievable habit.

Tennis is mostly mental. You win or lose the match before you even go out there.

Workout. Lead a balanced life and try to have fun. It's what you make it.

Well, when I walk behind short people I feel like I'm going to fall over because I start taking these little steps, and I can't take little steps.

I have been recently diagnosed with Sjogren's Syndrome, an autoimmune disease which is an ongoing medical condition that affects my energy level and causes fatigue and joint pain.

I always like to win. But I'm the big sister. I want to make sure she has everything, even if I don't have anything. It's hard. I love her too much. That's what counts.

I love to be busy, and when I'm off the court, I do things I love.