When to Eat the Marshmallow

Think about the last time you resisted watching yet another episode of your favorite TV show, or decided not to have a second piece of cake at a friend's birthday party. In many societies, self-discipline is seen as an invaluable trait. But we often overlook what makes it possible to hold back in those moments of temptation. This week, psychologist Celeste Kidd offers a new way to think about self-control. Then, we talk with researcher Jacqueline Rifkin about how to find the right balance between indulgence and restraint.