Dr. Beauregard pulled his chair up a little closer to me, looked me in the eye, and said, "Sam, I'm afraid your health is pretty good. . . . You could stand to lose a little weight, but without some bad news, I can't scare you into taking better care of yourself. . . . You've got to find some meaning in your life that will motivate you to take better care of your body-something that gets under your skin, something that grabs your imagination, something...