If you could erase the painful parts of your life story, would you? Psychologist Jonathan Haidt described a thought-provoking hypothetical experiment in which participants were given a summary of someone’s life and asked to imagine it as the inevitable journey of their unborn daughter. With an eraser in hand, they had five minutes to remove anything undesirable from her story. What would you erase first? Perhaps you would remove disabilities, accidents, illnesses, disappointments, or broken relationships—the very things you would never wish upon your child. But what if removing those difficulties also erased the experiences through which she would discover…