You feel inspired by it -- the hair on the back of your body is standing on end and occasionally it leads to some magic.

My body plays by different rules, ... I need to listen to it.

I not only want to play, I want to win. I am really not in the position to do that, so it's not fair to myself or the fans of tennis. I'm going to choose to just try to get my body right and keep working, look at the schedule and see what's next at that point. But right now, I'm not in a position to be out there. I'm way less than 100 percent.

It's a great sign. I've trained hard. This is why you work so hard, so that physically you can do it. Something like a nerve, you never know when it's going to be an issue. I'll keep my fingers crossed from this day forward. I play by different rules now. My body plays by different rules. I need to listen to that.

He's writing checks that you only hope his body can cash. He plays very hard every single point.

It is not realistic for me to consider myself competitive on clay. The wear and tear it puts on my body has set me back the last couple of years. And Wimbledon is something that I don't want to miss this year.