Same sex marriage was such a good example of democracy working. MA stood alone, defiant and proud, for years. Then some of the neighboring states went "You know what? They didn't get smote with fire and brimstone. Maybe I can do that too."
Only 10 years after Massachusetts took the first step, it was growing past the recently blue states as voters came around to accepting it, and if it had another 5 years, we would've been taking would-be holdouts like Texas.
That process was cut short, but I haven't seen any polling that suggests we're not still collectively sliding that direction, so even if the supreme court reverses Obergefell v. Hodges, I don't think there's popular support for bans this time.