If you are married, you are statistically much more likely to report being happy than if you're unmarried. In fact, Chicago Booth's Sam Peltzman notes that the difference in terms of happiness is the same as either being in the top 10 percent of earners, or the bottom 10 percent. Having said that, his research also shows that the richer you are, the happier you are. In this episode, we talk with him about his research.