Which one of the following stories is more interesting:
John was born to a loving family, he grew up into a healthy gentleman and after a life well spent he died happily.
John was born to a family of tigers who mercilessly beat him with broken bottles and ironing cords every second of every day until he twelve, then he was castrated in a humiltating experience with a french door. He had soon grew to loathe himself and cut himself at every available oppurtunity and became a prostitute just to support his abusive husband's heroin addiction. One day it was all too much for and he jumped off a bridge onto an open sandwich maker. At his funeral everybody talked about how much they hated him.
Pain and suffering also lends longevity to a narrative.