Variety is what I would recommend: As variety is the spice of life in food, so it is in exercise. Change it up. But most of all, don't overdo it.

Security used to be an inconvenience sometimes, but now it's a necessity all the time.

I came to live in a country I love; some people label me a defector. I have loved men and women in my life; I've been labeled the bisexual defector. Want to know another secret? I'm even ambidextrous. I don't like labels. Just call me Martina.

Keeping a journal of what's going on in your life is a good way to help you distill what's important and what's not.

You can't live in the past, there's nothing you can do about it.

Some players when they become No. 1 they put too much pressure on themselves.

There is no cheap way to achieve the ability to turn pro in tennis; it unfortunately is more expensive than team sports.