Alone?

Why is this that sometimes I feel all alone although I know someone is there. I can understand I am not popular or anything or even have that many friends. I guess I just forces myself into this solitude of not having many people around me or anything. It is like I tend to scare them away or something. But what else is new about this. I feel somewhat bad that this is what I have become but this is what the world has helped shape me into.