Been there, didn’t work out for me. I get the ownership argument and all, long-term perspective etc., but just going non-monogamous doesn’t solve anything.
Current hot take: it’s more important that you really invest all the time, attention, effort, love they deserve into every person you want to have in your life. Personally, I can’t do that for more than one other human. I even struggle with one.
First, assume a spherical cow.