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The For Scientific American Science Quickly, I'm Kentropier-Lewis in for Rachel Feltman.

For many of us, our mental picture of romantic love is a couple. After all, a firmly monogamous

relationship between two people, ideally married, as often portrayed in popular culture as

hashtag goals. And to some degree that is reflected in American attitudes. A 2023 UGov survey,

for example, found that 55% of Americans preferred some form of fully

monogamous relationship. And yet, that same poll found that roughly a third of Americans

were interested in relationships that were something other than full monogamy. In fact, one in

eight Americans said that with their primary partner's permission, they had engaged in sexual

acts with someone

other than that partner. But for many of us, our understanding of non-monogamous relationships,

especially polyamorous relationships, where people have multiple romantic relationships at the same

time, remains murky. I talked with Rebecca Luster, a professor of anthropology at Washington

University in St. Louis,

and a licensed clinical social worker who recently wrote about polyamory in the March issue of Scientific American to shed some light on the topic.

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