So you want to open Pandora’s box? Let’s say gay marriage is a done deal. What is next? Are we opening the door to brother-and-sister unions, father-and-daughter unions, or as Canada is experiencing (debate-wise) multiple unions? This can’t happen, you say? Twenty years ago, nobody would have believed the gay marriage debate could happen.
You realize, of course, that multiple unions open the door for rapid growth of extreme Mormonism and Islam. So you think Christianity and the Bible are backward? Just wait until you experience extreme Islam. Check out Europe’s Moslem growth.