Once a year, you go see your doctor, even when you feel great. Why? Just to make sure. Because some serious problems have no symptoms until they have terrible symptoms. Because you know it's the wise thing to do. From time to time, you need to examine the way you lead. Why? Because some teams do great right up til the moment they don't. Because stress can bring out symptoms you haven't seen yet. Because you can always get better. Because you know...