A small but growing number of people are discovering, and proving, that monogamy as our culture understands it is not the only way to be happy in successful relationships. It’s just one of many. An estimated 17.5 million people in the United States practice polyamory and other forms of ethical non-monogamy (ENM)—and 20% of Americans say they’ve practiced it at some point. Less and less taboo with each generation, about 1 in 6 Americans now consider ethical non-monogamy to
