Answer:
Harry is most likely to be diagnosed with Trichotillomania
Explanation:
Trichotillomania is a chronic mental disorder that is characterized by a repetitive and strong urge to pull out one's own hair. It is triggered by anxiety. An individual with trichotillomania, pulls out hair from their scalp, eyebrows, eyelashes, arms, legs and face to such an extent that the hair loss is visible. It is commonly seen in individuals suffering from obsessive compulsive disorder.
Therefore, Harry is most likely to be diagnosed with Trichotillomania.