Sitting there clapping and smiling... it's difficult. You're like, 'Don't worry about it, you just double faulted, you just played a really dumb point. Keep positive.' Then more clapping. That would annoy me as a player.

Sometimes my negativity worked to my advantage, and early in my career, it got me going. But you need to understand that you're not just fighting opponents, you're also fighting yourself.

I got a lot of publicity, but it steamrolled. Event organizers weren't used to that kind of behavior, so later, they tightened the rules.

John McEnroe Quotes