Skrymir wrote...
One thing many people fail to keep in mind for a polygamous relationship is that your partner is free to have many partners as well. So while you're dreaming up being with many ladies or men, your partner is capable of having the same. I've had guest speakers who were in such a relationship and it is surprisingly stable; they sort of banded into their own community that is very open. Of course, this sort of thing isn't for everyone.
I don't think I would like this kind of relationship though, I'm a pretty jealous person and like to keep my personal stuff exclusive to myself.
True, but some groups that practice polygamy (while used as the broad definition for multi-person union, actually means "multi women" hence the 'gamy' root) pretty much say men can have more than one woman.
Women usually can't have more than one guy, except in cases of polyandry... and very very few cultures or even groups practice that.