Hello, there is nothing wrong with you or the fact that you aer not into others.YOU might haven't found the right person that you want to be involve in so that doesn't mean that there is something wrong with you.Don't worry you are still young and that special person will come to you soon.don't worry about your friends cause you will have more respect for your self and that person cause you took your time and didn't fall for the first thing you saw.Just keep on doing what you are doing and that person will come to you.