| Some have tried to understand human sexual relationships by examining patterns of other primates. |
| Gibbons - monogamous for life |
| Orangutan - honeymoons to rape |
| Gorillas - one male with several females |
| Chimpanzees - Alpha (& maybe beta) males do most of mating. Females will go off with lesser males. Much coercion. |
| Bonobos - the sexiest primate. Sex for about everything |