Ah great, this is exactly what I was looking for. I ask tell myself the same things you just mentioned when all these things are bouncing around in my head.

Positive qualities. I feel like I can't say anything positive about myself without blatantly lying. For example I could say that I like that I'm in shape... but I'm really not anymore. I just started going back to the gym, but I'm not sure how long I can stick with it. Or I could say that I can make people laugh, but I'm only really funny when I'm around people I know really well and can play off their personality or past experiences. One step outside of my comfort zone and my wit dries up instantly. I wish I could say that I'm really good at something, but anything I take up leaves me stuck in mediocrity.

Socializing. It's been tough the past year. I've mostly avoided going out with friends at all because I feel like I have nothing to contribute. I absolutely would dread the idea of someone asking a simple question like "so what have you been up to lately", because I know my answer would be "sitting in my room playing computer games for 16 hours a day" and that would be the extent of the conversation. It doesn't help that almost all of my "friends" are really just my roommate's friends, not people that I hang out with otherwise (for clarity, my roommate has been the closest thing to what you would call a best friend for the last few years). Another thing that's tough is that just about all of them have girlfriends. I hate being the 3rd, 5th, 7th, nth wheel. Any party or gathering I has plenty of girls, but they are all taken. And you would think those girls would have friends I could meet, but it just hasn't played out like that.

Volunteer work. This is something I keep thinking about, but I don't know where to start. I have trouble just getting the motivation to do my laundry, never mind free work :P