My 50th high school reunion is still a month away -- time enough to lose the 10 pounds that have crept back on after a successful diet a few years back. I have a feeling all my classmates are in the same boat. Well, maybe not all. As I look through the pictures of those brave enough to post updates to their graduation photos, there are a few who have remained slim, but most are heavier and almost all grayer, except for the minority, who, like me, color their hair. I don't know that I'll make my goal, and maybe...