When has tradition ever (if eventually overturned) been basis for law?
Your crackpot religious ideas are yours, and your congregations, only. They're for you to follow, not to be shoved down people's throats. Jews don't believe in eating pork, but you don't see them trying to ban it for everyone. You can't provide a shred of evidence, not one, from a peer-reviewed, non-biased, testable, piece of evidence showing gay marriage to be harmful in any way, in fact to the contrary. You are dumb.