We are addicted to happiness. More than any other generation, Americans today believe in the power of positive thinking. But who says we're supposed to be happy? In Against Happiness, the scholar Eric G. Wilson argues that melancholia is necessary to any thriving culture, that it is the muse of great literature, painting, music, and innovation--and that it is the force underlying original insights. So enough Prozac-ing of our brains. Let's embrace our depressive side as the wellspring of creativity. It's time to throw off the shackles of positivity and relish the blues thatmake us human.