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.

For years I felt that I didn't have enough stamina and then, four years ago, I felt like I was not getting enough air but I was diagnosed with exercise-induced asthma. The medicine for asthma never worked.

I'm not a trend person. I don't want to look to my right and see somebody in the same thing.

The thing about tennis is if you stay off for two weeks, or just for three days, you can lose your rhythm quickly. So it's just a question of constant diligence and vigilance.

Most of us have grown up, you know, I think there are very few people who have grown up in a home that was, like, super normal. You know, we all have dispositions because maybe you didn't have a mom or you didn't have a dad, maybe your mom died early or maybe mom and dad argued or they got a divorce or who knows? You have issues that maybe you've started younger or maybe you have your own issues because you have them.

Serena and I have done some great career planning, and we're playing really at the peak of our tennis right now. I think tennis has been a sport where people play this insane schedule from 14 years old, so of course at 26, it's over. We've really paced ourselves.

I knew my destiny was to be in the winner's circle. There were times along the way where I didn't make it there. But I felt my destiny was definitely to win big titles, win lots of titles.