Oh please
Marriage is a naturally occurring pre-political institution that the state only recognizes as it recognizes other natural institutions such as jobs and families. "Government does not create marriage any more than government creates jobs." All same-sex marriage does is that it advocates changes the social importance of marriage from its natural function of higher hetrosexual union and reproduction into a mere legality or freedom to have sex.
You're not going to change thousands of years of human history and relationship with a piece of paper, not that most people will ever give you that piece of paper either. Get over it.
And yes there is no such thing as a gay family, its just a freakshow, alot like gays and the places they inhabit (ie. oxford st., mardi gras) show me one historic instance of a functional "gay family,"