Because i grew up in a family where males never show emotion and only hug people like your mother, grandmother, great grand mother I actually go out of my way not to touch or be touched when outside my house. Also some things with my first marriage really messed me up with the idea of physical contact with another person. the guys at work think it's funny especially after one of them accidentally ran into me and i lost my freaking mind on him. with my wife and kids it's another story because that's just how we are. You are not insane or anything wrong with you. there is a chance you have Haphephobia but i'm not a licensed medical provider so don't trust me on that. It takes many many baby steps and no the beyond hug is not ethical for your therapist to help you with. I wish you luck and as Jennifer said, keep moving forward.