Lack of confidence (thinking you suck at everything)

Anyone else litterally over examine every little thing you do and always think you messed whatever you're doing up? When I was young I started messing with computers and to this very day think I know less than average what others do. Yet if I look at it seriously, i've designed websites, i've programmed, I even "hacked" and found a lot of cool exploits in software. No, I never did any damage though. Yet if you ask me if I know a lot about computers, i'll say "nope".

I also play the guitar and have been playing for about four years. Yep you guessed it, I think I suck at it. The funny thing is, people compliment me on my playing and when I send aduio out online I usually get complimented on it. Whenever I get compliments I shrug them off and say to myself "ahh they are just saying that to be nice".

Now that i've started college i'm expirencing the same thing. For instance, I get an essay I have to write and I litterally think about it 24/7. I'll litterally work insanely hard on it and do my very best and then when I finally get it finished and proof read it I almost always come to the same conclusion, it sucks. Yet then I turn it in and get an A. Even then, I see the A and think "wow, that paper really sucked. How the hell did I get that A?!"

I never really noticed I did this until one day my mom says "you litterally stress over everything and always think everything you do sucks. give yourself a break for once!" It was cool of her to say that considering I never really noticed it before. The only problem is, now I know I do it and yet still continue to beat myself up regardless. Reminds me of that song, "my own worst enemy".