In dealing with the loss, Mo found his mission: he would pull off the type of 'moonshot' that he and his Google [X] colleagues were always aiming for: he would help ten million people become happier by pouring his happiness principles into a book and spreading its message around the world. One of Solve for Happy's key premises is that happiness is a default state. If we shape expectations to acknowledge the full range of possible events, unhappiness is on its way to being defeated.