Does any of that matter if he is a jerk or mean at end of the day? Your goal point is a kind person, other features are bonus points that help with the voting. First establish he is kind, then start looking if there is chemistry or humor.
Kleptomania is a condition where in the person suffers from a compulsive habit of ... This disease is not hereditary. [ Source: http://www.chacha.com/question/is-kleptomania-hereditary ].
A genetic basis for the disorder is suspected but not proven. It does appear to be clear that a defect in the receptors to dopamine (dopamine D2 receptor antagonism) is an important contributor to the cause of neuroleptic malignant syndrome.