Don't hate yourself.....
Of course you are good for something and I'll bet that one day someone will like you. From a Girls point of view it helps if you get to know someone and have been friends with them first.And if you find that a problem then maybe go to a gym, or do something fun to pass the time until that girl finally comes along. When your mood starts to pick up then girls will come flooding in.
If you don't know how to talk to a girl then just ask relatives or friends and I'm sure they'll give you advice!

Love yourself, without loving others, I do believe you need to stop comparing yourself with all those characters in movies and TV they are not real, we are all needed by us and by God, the Lord love us and we have to love Him, our main purpusoe in life is to worship the Lord, Your time line is needed by all human beings we all interact with each other life and we all are needed buy all of us, to keep living, you are going to have descendents in the future your time line have to continue, think in all people we need you like you need us.

i can't stop hateing my self its always in my mind

OK then, why don't you just make yourself a nice pizza, hot chocolate and watch your favourite T.V show for the whole day. Soon you will forget your problems.
I do it all the time!

i understand and have similar issue, what i needed is time and thats all.
all i do is after each day i spend an hour or two in darkness playing music almost like meditation. do some 7/11 breathing and enjoy the sounds life does get better as you feel better