Tennis has to become everything to you if you're going to make it to the top. You have to live it.
You have to want to play it all day, every day to get to the top.
I don't believe in playing hurt, in taking injections to cover the pain.
I am lucky to have advisers whom I trust.
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
I did realize more than ever, after the stabbing, that tennis is a business - a tough business.