Doc was just getting up to leave the philosophy counter as Herb walked in. Herb was grinning and flexing muscles and had the look of eagles in his eyes. We stared.
"Herb," said Doc. "You know, you can overdo a good thing."
"Why Doc ... whatever do you mean?"
"I realize that getting more exercise is your resolution for the new year, but a man your age ... you need to pace yourself a little, that's all. Don't try to get in shape all at once."