 Part of, I think, what is happening in the United States in the last, call it, 20 years or so, although it goes back further than that, is the increase in stress. And then also what we've seen is the decline in mental health. So when you have increased stress, increased anxiety, declining mental health, you're going to wind up with a lower level of happiness. It's kind of the way it works. It seems the most common cause of stress for college students involves the pressure of school.