If you become great, then you can become happy. If you're happy first, it's much more difficult to be great.

Because in order to beat Jimmy, I had to get around the ball a little bit quicker so I wasn't always on defensive and catching the ball on last stride, that I had little more time. Once I was able to get little bit quicker, then it has helped me a lot.

Tennis is not like other sports where the coach is hired by an independent entity, and that makes a huge difference in the dynamic.

I am not playing Wimbledon because I am allergic to grass.

I just travel all the time.

My serve and my forehand I pretty much always had, but my backhand was a made backhand. I worked on it for years.

I believe the brain is like a muscle - like any other it can be improved.