Plus they already get married in their own way the same way a man and a woman does, it's just not recognized by the state as a legal binding contract and does not carry the same advantages. FYI what they are really trying to do is get all the things that come with a legal recognized marrage like health insurance coverage, tax breaks, credit scores and all the things that go with being married and that is what this all boils down to. If allowed it will cost us all a butt-load of money to now cover all of these now legally married people.
