Everyone keeps asking that. But he has no reason to retire. He's one of the best in the world, still chasing Grand Slams. If he's still enjoying it and still finding ways to motivate himself, I say let him play forever.
It was exciting for me to go farther than I ever have in a grand slam,
We weren't sure if I was ever really going to be back to a 100 percent, if I was ever going to be back to this level again. I said whatever tournament I win, the next Grand Slam, you have to wear a gold tooth for the whole time I'm in the tournament.