Try explaining the next logical step to Gay Marriage, polygamy, to the low information young. They will say “well I guess they should be allowed to marry too.” It’s scary.
I was thinking government should just stay out of defining marriage. Let it be a sacrament.
However, here’s one problem: when these three people divorce, the “family” law courts will utterly destroy this poor child’s life.
"If you can turn intercourse into something other than the reproductive type of act (I don't mean of course that every act is reproductive any more than every acorn leads to an oak-tree but it's the reproductive type of act) then why, if you can change it, should it be restricted to the married? "Restricted, that is, to partners bound in a formal, legal, union whose fundamental purpose is the bringing up of children?
"For if that is not its fundamental purpose there is no reason why for example "marriage" should have to be between people of opposite sexes...
"If contraceptive intercourse is all right, it becomes perfectly impossible to see anything wrong with homosexual intercourse."
-- "Contracepton" (1972) Elizabeth Anscombe