It was actually kind of new to me when I watched that video two years ago. However, I agree with your point for deeper details. I wondered about the circumstanc

It was actually kind of new to me when I watched that video two years ago. However, I agree with your point for deeper details. I wondered about the circumstances of those people, the stability of country (war times etc) and many other factors that are not mentioned in the article or the video. Also, I assume the study is just in America which makes me ask if happiness is the same recipe for different people in different parts of the world.