Welcome to Health Care Magic
How did you conclude it is Psoriasis? It has an inherited basis.
It has no relation to your nature.
You have to seek the help of a Psychiatrist
. The chances of modifying your behaviour and return to near normalcy are excellent. There are medicines and counselling
must see your skin. He will be able to diagnose correctly. A proper diagnosis is a prerequisite for proper treatment.
You have two different issues.
Both of them are easily manageable
Relax / see the doctor...
Wishing you speedy recovery