But people who can only be attracted to the same gender are NOT new - only our knowledge of what that means and the terms used to describe it, are.<quoted text>
Same sex sexual behavior is not new. Use of the term "homosexual" to describe it, or those who engage in such behavior, is relatively new.
You would still need a valid state interest in denying equal protection under the law gay couples when it comes to marriage, though, regardless of how our knowledge has grown, or the changes in the terms we use.
Can you provide that?