Over the weekend, I was talking with a friend of mine who has an upper management job in a large international organization. He was telling me about a documentary he watched on happiness that featured the story of a Vietnamese rickshaw cab operator. In the interviews, the man talked about his life and was surprisingly positive given the level of poverty he experienced. He spoke of how much he enjoyed his job because he got to work outside and be active. At the end of the day, he had enough money to eat a good meal with his son, who he was close with. They shared a one bedroom home with only th...