Don, a friend of mine, recently hit one of those mile marker ages. You know, one of those that require a trip to the doctor for a checkup.Actually, he wasn’t all that concerned about it. After all, he takes decent care of himself, has always considered himself healthy, and other than some fatigue, felt really good. So in he goes to see his family doctor, Phil. Phil had been the family doctor long enough that they really were on a first name basis.So Phil tells Don, “Overall, you’re in good shape. Sure you could lose a few pounds and a…