In a world that is structured for couples, being single does have its drawbacks! However, you have a nice place to live, a job, and money to pay your bills and enjoy a decent lifestyle. With all that going for you, I think it's just a matter of time - and timing! - before you run into the right guy!
I know the loneliness becomes wearing, but are there any type of clubs you can join that are not meat-markets, but where singles share common interests? Before I left Annapolis, I was going to join a group with over 2,000 single members called "Crabtown Skiers." They not only organized ski trips, but they also had sailing events on the Chesapeake Bay, dances, bowling, happy hours (I avoided those ...), golf tournaments, and holiday get-togethers.
I never did join that club, but one thing I discovered over the years ... when I was the least interested and not looking for someone to be a partner in my life, a man would suddenly appear.