I felt like I was destined to be alone as well. I then, just became very honest with myself and everyone around me. While shopping for groceries, I ran into a very wonderfull woman, we exchanged numbers, and I told her that I am not interested in the traditional dating scene and explained my situation. We spent many nights at my house watiching movies, dinners, playing cards and board games. Six years later, we are happily married with a beautiful 2 year old baby girl. I also bought a projection screen tv and invite all my friends over for movies and popcorn, big dinner parties, game nights. I know its not quite the same, but you do what you have to. If they are true friends, they will be by your side.
Nobody is ever destined to be alone, unless you choose that destiny.
Hang in there.
ps...I carry a port-o-potty in the back of my truck too.