There is no need to because the States Amended their Constitution and revised Statutory law, it has nothing to do with Common Law. Hell the vast majority of states don't allow for common law marriage anymore.
The States enacted Amendment and Statutory laws, you were backed into a corner and are now trying to deflect.
Dutch Medal count Paralympics Rio 17 gold 19 silver 26 bronze
BLADE BABE STRIKES AGAIN!!!
So what you want is a big central govt. that tells you what that central govt. wants. What is absolute nonsense is the attitude of many on this thread and every other SSM thread. Marriage isn't in the Constitution, it is common law and a state issue thus the Constitution has nothing to do with it. You want marriage in the Constitution, go for it