Often people view monogamy and polyamory as being polar opposites. Some even take the view that monogamy and polyamory aren’t relationship styles but innate relationship orientations, diametrically opposed ones at that, with no overlap. In this view, you’re either mono or poly. And there’s nothing in between.
Setting aside the nitpicky issue that the more proper linguistic pairs re: opposites would be monogamy/polygamy and polyamory/monamory, » Read more