By granting gay couples the same “privileges” as straight couples, we are widening the gap of inequality between coupled and non-coupled individuals. The only way to have real equality in this country is to treat everyone as individuals with equal rights, not unequal privileges. Otherwise, we open the doors to social conservatives’ worst nightmare—polygamy! Not long after that, single people, vying for the same entitlements, will surely fulfill former Sen. Rick Santorum’s prophecy by requesting to marry their dogs!
So instead of legislating sexual morality, the government should stick to what it was designed to do best: protecting individual liberties.
Our love is earned, not expected.
What really makes us tick is the idea of falling in love, over and over and over again. Now, we have the best of both worlds: the security of a steady, stable partner, to have and to hold, and the sense of adventure and excitement at the thought of the unknown, the possibility of new romance around every corner, the butterflies in our stomachs we never thought we’d get the chance to feel again.
Leadingchurch.com 
These arguments were tossed around in the 60s, too, and unlike wine or bourbon they do not age well. Also, as with the sixties, social class lurks just beneath the surface — of course she is a libertarian, itself another marker for economic class.