I've played this game from 12-under to the over-70s. So when they say tennis is a game from the cradle to the grave, you truly have it right.
I'm amazed that years after I stopped playing tennis, people still recognize me in restaurants and ask for my autograph.
I got into tennis because of my parents. They would play a little on the weekend and I liked it when I played.
When I'm in L.A., I try to run the canyons or play tennis with friends a few times a week. I've tried working out with a trainer and going to the gym, but I'd just much rather be outside.
While classical mechanics correctly predicts the behavior of large objects such as tennis balls, to predict the behavior of small objects such as electrons, we must use quantum mechanics.