I thought non-monogamy was “the way”

Before my mid-20s, I used to know monogamy and nothing else.

Sure, I’d heard of the concept of swinging offhand, and sure, I had watched the show Big Love on HBO, about Mormons practicing polygamy but otherwise, I didn’t know non-monogamy was a thing.

A thing, meaning, people in the world — normal people who were happy and fun and worked at Deloitte — wer…