People hate it when they're tickled because laughter is not pleasant, if it goes on too long. I think it's a desperate sort of convulsion in desperate circumstances, which helps a little.
Kurt VonnegutAnd what is literature, Rabo," he said, "but an insider's newsletter about affairs relating to molecules, of no importance to anything in the universe but a few molecules who have the disease called 'thought'.
Kurt Vonnegut