сколько всяких гамий
http://archive.salon.com/sex/feature/2001/01/23/monogamy/index.html
http://nymag.com/lifestyle/sex/annual/2005/15063/
# Social monogamy refers to two people who live together, have sex with one another, and cooperate in acquiring basic resources such as food, clothes, and money.
# Sexual monogamy refers to two people who remain sexually exclusive with one another and have no outside sex partners.
# Genetic monogamy refers to two partners that only have offspring with one another.
# Marital monogamy refers to marriages of only two people
http://nymag.com/lifestyle/sex/annual/2005/15063/
# Social monogamy refers to two people who live together, have sex with one another, and cooperate in acquiring basic resources such as food, clothes, and money.
# Sexual monogamy refers to two people who remain sexually exclusive with one another and have no outside sex partners.
# Genetic monogamy refers to two partners that only have offspring with one another.
# Marital monogamy refers to marriages of only two people