Usually, stress. However, somebody else's ambitions for perfectionisms that reflect directly on you can also cause some compulsions that can later be developed into OCD.
Obsessive Compulsive Disorder (OCD) is a psychiatric disorder which is characterised by obsessive thoughts that plague the sufferer and compulsive actions which the person do to relieve the anxiety...
The main cause why OCD affects the socializing of a sufferer is because it is impossible to hide the compulsions you are driven to perform. In that way you start being weird in other people's eyes,...