Every one belongs to every one else.

And I knew that in spite of all the roses and kisses and restaurant dinners a man showered on a woman before he married her, what he secretly wanted was for her to flatten out underneath his feet like Mrs. Willard's kitchen mat.

But the largest number of primate species--thirty-four--have a promiscuous system in which females routinely associate and copulate with multiple males.

The daddy-at-home theory posits that concealed ovulation evolved to promote monogamy, to force the man to stay home, and thus to bolster his certainty about his paternity of his wife's children. The many-fathers theory instead posits that concealed ovulation evolved to give the women access to many sex partners and thus to leave many men uncertain as to whether they sired her children.

Recreational sex is thus supposed to function as the glue holding a human couple together while they cooperate in rearing their helpless baby.

There are 80,000 prostitutes in London alone and what are they, if not bloody sacrifices on the alter of monogamy