#100DaysofHealth

               I think I have a pretty good (if somewhat cynical) grasp of human nature.               My understanding of “how people are” informs my belief that the most of us—a number in the 98 th percentile, I’d guess—will utterly fail when attempting to make big changes to their behavior.               Big changes like, for instance, transforming oneself from a fat slug with a bad attitude about exercise and no positive habits of thought, or of eating, or of relaxation to a positive, energetic, 6 times a week exerciser.               Every time a friend or acquaintance informs me, usually with great gusto, that he or she intends to (fill in this blank with anything from doubling the size of their business to going back to school to get a law degree to losing 50 pounds to eliminating TV from their lives), I always try to be encouraging.               But there’s a part of me that loudly screams (within the confines my own head, of course), “Yeah, SURE you are! Be