I'm this overachiever type, I'll just work and work and I'll just do it over and over and over again.

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 don't carry a purse when I fly because I have my Hello Kitty carry-on. I'm the biggest adult supporter.

As long as we're fit, we just have so much to give on the court.

You know, growing up my - you know, I came from Compton, Calif., and, you know, it was a place where a lot of people did come out when a lot of people stayed. So I've been able to see the top and the bottom of life, and I think that balances you if you allow it to and if you remember where you came from.

My dresses are designed to win, so going through it, I think about, what do I want to represent? So, definitely, Vera Wang has been an inspiration for me.

I just try to stay positive and focused on the tennis, not let anything get to me, like crazy questions. But I'm tough, let me tell you, tough as nails.