I'm 50 and have been single my entire life. I'm very happy and enjoy the single life. I realize it's not for everybody, but that's okay, I'm not everybody
That said, it sounds like you're pretty young. I think it's a little premature to get into the "I guess I'm going to be this way for the rest of my life" type of thinking. Give yourself some time to get accustomed to the sober life. Who knows, that special someone may come along when you least expect it.