Stumbling on Happiness

How to be happy? Do not read this book for the answer. Stumbling on Happiness might give you clues why your level of happiness is what it is but not how to change it. He introduces the concept of synthetic happiness which means that people have a psycological immune system. People will like what they get not what they did not get. Or don't worry be happy. And if you like the book you will enjoy the film.