Tennis has to become everything to you if you're going to make it to the top. You have to live it.
Everybody has their story - at some point you have to say, 'This is who I am: Now it's up to me to become what I want to be.'
Life is not worth living if I cannot have pasta or bread again.
That's the key to success, isn't it? It has to be fun.
You will never have great tennis champions from England because of the cold and dark, but most of all because people only care about the sport for two weeks a year, and then they're on to something else. There's just not a great love of the sport there.
I have this terrible dark side to my personality, which playing tennis keeps at bay.
What I put in the stock market, I don't have to touch in my lifetime. I want to live off my bonds. I want to be that safe.
I lost my dad way too early and it was agonisingly awful. I missed him so much and I hated knowing that I could never again pick up the phone to tell him about my day.
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've always been a very private person.
If I find the person that I love, it is because I love them, not because I will be dependent on them.
It doesn't matter who is playing or how old they are. I just worry about what I can control. It doesn't give me more or less motivation.
I am lucky to have advisers whom I trust.
I did realise more than ever, after the stabbing, that tennis is a business - a tough business.
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.
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