Why Masturbation Helps Procreation - Newsweek

Why Masturbation Helps Procreation - Newsweek

Worth a read, even if it is just for this sentence:

As the Science in Seconds blog noted this week, what with “spanking the monkey,” “charming the snake,” and “freeing willy,” a remarkable number of the slang terms for pleasuring oneself refer to animals. That reflects reality: the practice has been documented in Japanese macaques, gibbons, baboons, chimps, elephants, dogs, cats, horses, lions, donkeys, “and walruses that manage to flog the bishop with their fins.”