That's the key to success, isn't it? It has to be fun.
Tennis is so competitive. I guess that's the way it has to be.
You have to want to play it all day, every day to get to the top.
Madonna has total control over her life, and not many women have that.
I used to pretend that I was Tom attacking Jerry, who was drawn on the ball.
I have this terrible dark side to my personality, which playing tennis keeps at bay.
I did realise more than ever, after the stabbing, that tennis is a business - a tough business.
Tennis has to become everything to you if you're going to make it to the top. You have to live it.
People think I must have been so talented at an early age, but I don't know - was it talent or hard work? Who knows?
I never really did Christmas before. Christmas Day? I mean - what's that? What's it all about? I was always flying on Christmas Day.