Are you REALLY that out of it, luna? Whatever physical, spiritual, emotional, household, individual and intellectual distinctions there are between males and females not only can't be enforced by the gov't, when it comes to LEGAL protections, there aren't any. When women were subjugated in marriage, being a woman mattered to the gov't. Now that EQUALITY is genderless, as it should be, then there is no NECESSITY in the gov't intervening on that order. Gender and orientation on matter TO THE COUPLE, just as how they arrange their sex lives or decide to have children or what job best suits their home life. SS marriage upholds the standard of EGALITARIAN principles, an even better redefinition of marriage.