"A woman is like a teabag, you never know how strong she is until she gets in hot water." - Eleanor Roosevelt
Keep your religion out of other people's marriages.
Suck it fundies..
"You're the only person that decides how far you'll go and what you're capable of." - Ben Saunders (Explorer and Endurance Athlete)
But the legal argument is sound. No state interest exists in barring a same-sex couple from signing a legal contract and therefore the equal protection challenge is upheld.
If you think emotion is the basis for their argument, all you have to do is prove their argument wrong with some sort of unbiased fact.