How can large bonuses sometimes make CEOs less productive? Why is revenge so important to us? How can confusing directions actually help us? Why is there a difference between what we think will make us happy and what really makes us happy? In his groundbreaking book, Predictably Irrational , social scientist Dan Ariely revealed the multiple biases that lead us to make unwise decisions. Now, in The Upside of Irrationality , he exposes the surprising negative and positive effects irrationality can have on our lives. Focusing on our behaviors at work and in relationships, he offers new insights and eye-opening truths about what really motivates us