The thing that's most important in getting you in the best mindest is just being prepared - having a great practice, and knowing that no matter what knowing you're going to go in with confidence. You need to have that confidence to power through.

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.

Tennis is mostly mental. Of course, you must have a lot of physical skill, but you can't play tennis well and not be a good thinker. You win or lose the match before you even go out there.

I think nowadays it's so easy as an athlete to become a statistic whether or not you lose everything or having trouble or whatever it may be.

I know I'm good at tennis. Other than that, everything else is a wild card. I'm a wild card.

I've learned about employee relations; I've learned about following your instinct. One of the biggest mistakes you can follow is not following your instincts, you know? A lot of times your instincts will tell you what to do if you have a good one. Now, if your instincts are terrible, then you ask for advice. But if you have good instincts, you definitely have to follow them, or else you regret them.

The most fun part about working out is being done - getting through the workout, let's be honest. But that feeling afterward? Yeah, that's worth it.