A. same sex marriage is distinguishable by the eye usually.. It hardly like sparkling wine vs champagne.
B. You aren't going to sample a same-sex marriage, are you? Speaking from my own experience I knew I was heterosexual very quickly because girls gave me feelings that boys didn't. This is how it works for most of us.
C. If procreation is your yardstick does that mean infertile people should not be allowed to marry?
