Fuck I hate this kind of attitude. If instead of being depressed and moping around about how lonely you are, you got out there and did something about it, like try to meet people, even if you weren't successful at fucking someone, you'd feel a lot better. I used to be like you 6 years ago when I was 13, you're pushing it too far you're 19 now, time to take matters in your own hands.
Besides, even if you don't wanna do anything but sit in your house all day crying, it's inevitable that someday you will find someone so at least you can look forward to that day and stop acting like a loser.
IMO, being alone every now and then if that's your choice, is absolutely great, no other people in your life you have to worry about, you can do anything you want to. But I can see where you're coming from if you think you've been like that all your life.
Let me make a few suggestions though if you believe you're too unattractive to fuck. First, stop listening to that flowery shit you listen to and bring out the big guns, early Corpse, Obituary, early Carcass, Exhumed, Autopsy, Immolation, Deicide... Now if you plan this correctly and depedning on where you live, you will discover that you can find some chicks that listen to this shit. And what's good is that many of them are rather unattractive too and self-conscious of their image. This translates into an easy fuck. Yeah there you have it. If on the other hand you wanna find a very hot death chick that can scream like Barnes on the first Corpse album (my dream girl), it'll take you longer but that's doable too. All depends on your attitude.