As Kami says best, nobody is really against the idea of homosexuals becoming life partners and receiving the very same tax and other benefits that marriage offers. We are just against the idea of calling it marriage, which, whether it is realized or not, does have religious connotations associated with it.
Understood
As I said, what is "correct" for the Church (I don't believe in it, but it's the main complainer) has changed over the years, and it's accepting more and more new tendencys, attaching to principals of love and understanding... So I guess soonly or later marriage will include same sex individuals, as most people believe in equal rights