I've spent a lot of time on the conservative side (between the guns, being in the Military and working in/around the Defense Industry, and in general being a tradition oriented more-or-less libertarian) and many of them aren't any different.
"Gay Marriage will ruin the institution" "Uh. How many times have you been divorced?" "COMMUNIST!" (no, not literally, but YKWIM)
Heck, even the Implicit Association Test assumes that if you're "liberal" on Gun Control (whatever that means) you're also Liberal on Gay Marriage and Abortion. Anyone wanna make some assumptions on the Implicit Associations of the writers of that test?
"Gay Marriage will ruin the institution"
It certainly ruins some aspects. How will the state know which partner to favor in the divorce proceedings if both are the same sex?
Here's the new thread for posting quotes, with the usual rules: