Sure, I've been on the Tube...I caught it to Eastbourne once.
I think I can improve a lot. I think I can get a lot better. I feel like there's much, much more I can do.
I can't become satisfied, because if I get satisfied, I'll be like, "Oh, I've won Wimbledon, I've won the U.S. Open. Now can I relax." But now people are really going to be fighting to beat me.
Victory is very, very sweet. It tastes better than any dessert you've ever had.
I don't have a good British accent.
It's amazing, but I guess that happens when you become overly famous. Every week now, I get more famous.