Can The Interface Between My Mind And Body Become Whole Again?

When I was a child, I learnt to disconnect from my body.
It is a survival mechanism one employs while under extreme stress.
Now that I am a grown up I feel disconnected from my body all the time.
I have to get it into my head that the world is safer now.
I have to tell my subconscious that I am no longer under threat.
I can’t seem to get it to sink in. I can’t seem to relax. Any advice?