I'm pretty cynical about most relationships, my last two were immature and we were basically just a varied situation of friends with benefits.
Now though I'm wishing I was in a relationship, because all of my friends are and they're the kind of people who ONLY need a boyfriend or girlfriend, and once they have one all of their friends are meaningless. So I tend to be left behind.
I am terrible at social interaction though, so I have never been able to work up the courage to ask someone out.