In my experience a major motivator for people in open relationships is to mitigate hurt and psychological pain. You put barriers up, and there's an element of FOMO, but ultimately a lot of the time it's a fear of vulnerability or a fear of being hurt. A lot of people I know who are vocal about polyamory are people I know that have been hurt big time. It's a way to take an extra step back.

I've been in open relationships in the past, but when I met my current partner, I suppose I just knew I'd met someone I actually didn't want to share. It's not about owning a person; it's about finding the right person for you – and you just go, "Ah, this makes sense."

Since the past few month I'm very curious about open relationship. Remembering the few polyamourous people I talked to , the paragraph above seems to make a lot of sense. Plus it confirm my actual bias.. so...