Mary Jo asked me if I wanted to play tennis with her doubles friends this summer. Sounds like fun, but I haven't played except for a few times with Bill in the last 5 years. Therefore she agreed to go out and hit with me tonight just to see how I did, especially compared to her and her friends. We hit around for about an hour or a little more, nothing too strenuous. Hit lots of forehands, backhands, came to the net a few times, and served a good number of serves. Didn't break much of a sweat, but it was a different type of exercise than I've done in a while.