Many of us crave to change something about our behavior. We want to eat less, spend less, watch less TV. We wish we could exercise more, save more, spend more time with our families. If you've ever tried to make any such changes in your own life, though, you have probably already encountered the subject of New York Times writer Charles Duhigg's new book, "The Power of Habit."
It's not at all strange for dieters to find themselves autopiloting to the bakery or the bag of chips, nor for smokers to spend decades trying to overcome the sheer force of the cigarette habit.