Polyamory

Esther Perel began making her name with her 2006 book Mating in Captivity, a save-your-marriage guide tackling the all-too-human incompatibility of sexual interest and long-term monogamy. The topic was a head-turner at the time. This fall she came out with a new book, The State of Affairs: Rethinking Infidelity. From the Amazon blurb, "What are we to make of this time-honored taboo — universally forbidden yet universally practiced? Why do people cheat — even those in happy marriages? Do our romantic expectations of marriage set us up for betrayal? Is it possible to love more than one person at once?"

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.... Might it not be better to stop fetishizing sexual exclusivity as the sine qua non of happy relationships?
Perel is not unsympathetic to this thought, and, toward the end of her book, she devotes a brief chapter to various forms of consensual non-monogamy.

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