Its seems you are suffering from Agoraphobia. I myself suffer from it (Even when I have an IQ above 135) I kept struggling most part of my life. It wasn't until I knew I suffered from this condition I could understand the problem and face it.
Go to a psychiatrist and get yourself evaluated. It would help you a lot. My 2 cents.
Go to a psychiatrist and get yourself evaluated. It would help you a lot. My 2 cents.