I think Unloveable is quite provoking. People could either think "okay, he's unloveable, so why bother? " or they could go like "awww, how sad, I don't believe him, he just hasn't found his special other yet..."
its true , i have had both ideas thrown at me.
I am really not sure myself which is a better angle....
though there is an actual story behind why I got it but I will not be telling that tale on a messageboard.