Listen, what you got, you will never ever get rid off, its genetic to worry, its proven that its genetic. But you can limit that worry and those complexes to a degree where it wont bother you as much. Bodybuilding, martial arts, and forcing your self to experience something you hate, over and over again, will minimalize this feeling of inferiority.
Now, having sex with a woman is medicine against everything. Go get a membership on a dating net site in your local area and send mails to all women.