It may take a while, but stick it out, Steve. Eventually they'll realize that being gay is just a thing. I firmly believe that we're finally on the downhill slope for that battle. It may take generations until everyone is convinced, but casual homophobia will become as taboo as casual racism in most circles soon.
When the judge ruled that gay marriage is allowed in PA the other day, I was shocked when the Governor decided not to fight it, because he knew he'd lose. It's inevitable now.
Plus, the great thing about facebook is you can pick and choose which battles you fight.