Sometimes, in a given situation, what we feel like doing is precisely the opposite of what would be best for us. Our natural inclinations about what action is helpful in a given circumstance can lead us in entirely the wrong direction. Consider, for example, what happens when you feel tired. The obvious and natural thing to do is to lie down. This works well when there is time to sleep or nap. But what if you are feeling tired and should leave your house in 10 minutes? While lying down is wha...