Comment by lunatic on Haven - Chapter 10 : Episode 10

A traumatic experiences such as unexpected exposure to contaminants or various stressful life events often cause the onset of OCD.

and Obsessive-compulsive disorder (OCD) is a common, chronic, and long-lasting disorder in which a person has uncontrollable, reoccurring thoughts ("obsessions") and/or behaviors ("compulsions") that he or she feels the urge to repeat over and over.

He is mentally ill but no one knows
(His mother is abusive and his father is always buzy so, it is nutural for him to develop some sort of mental disorder )