Self-control solutions are all the things we try in order to get ourselves to behave better. We think that if we pay a lot of money to join the gym, we will feel guilty and we will keep going. It turns out that guilt does work—but only short-term. Eventually, the guilt goes away. We buy hundred-calorie cookie packs. Because we think that if it’s just a small pack, we will eat fewer cookies, and so on.
