You should not have to be subjected to having to isolate yourself from friends that you've known for years. We all need a good ear to listen and hear what we have to say and if you're not getting it from him you need someone to rely on.

I agree with what others have said. Put a password lock on your phone and set up your computer so that you have to put a password to log on. If you wish to remain in contact with old friends it's none of his business.