Being happy in your life and being happy about your life are very different concepts. This is a result of the fact that you have, in a sense, two selfs. There is an experiencing self, who lives in the present, and a biographer self, who keeps score and maintains the story of your life. Getting these confused can make a mess of your happiness. Your experiencing self probably loves pizza and sex and drugs and video games.
But, those experiences are short lived, and your biographer self may have a hard time crafting a story that makes you happy about a life of nothing but pizza, sex, drugs, and video games. On the other side, many studies suggest that having children makes the experiencing self less happy but the biographer self more happy. Where is the balance? Daniel Kahneman explores: