So when people say, “I am an unhappy person,” they are really doing sums, whether they realize it or not. They are saying, “My unhappiness is x, my happiness is y, and x > y.” The real questions are why, and what you can do to make y > x. - http://www.nytimes.com/2014/07/20/opinion/sunday/arthur-c-brooks-love-people-not-pleasure.html?_r=0