“This overemphasis on drugs has become a knee-jerk reaction that’s thrown our whole concept of happiness out of whack. Happiness is now seen as a lack of suffering as opposed to accomplishing important societal goals, like creating art. Ordinary melancholy — a term that dates back to the ancient Greeks — is a natural part of life. It may not be pleasant, but it can be beneficial, because it causes an emotional state of unrest that acts as a spark plug to creative thought.”