I Am Not Alone, But I Still Feel Alone

I have allot of people to talk to. I have a therapist to talk to. All that and yet I am alone. I know why. I grew up being all alone so I never got used to having people. So I don't use them. I don't know if its fear or something. I really don't know. I do know that I cant keep this up. Its only a matter of time till I brake.