There is a movement for polyamorous marriage. A city in Massachusetts just recognized that arrangement for domestic partnerships. I think, like with same-sex ma

There is a movement for polyamorous marriage. A city in Massachusetts just recognized that arrangement for domestic partnerships. I think, like with same-sex marriage, most people would struggle to think of a reason to be against it that isn't rooted in appeals to tradition. https://www.lgbtqnation.com/2020/07/massachusetts-city-begins-legally-recognizing-polyamorous-relationships/ https://www.lgbtqnation.com/2020/07/massachusetts-city-begin... For animals, there's the Harkness Test.