Devoid of human contact- he's usually away from all human relationships and interaction. Since he doesn't have any experience of having a conversation with any person.
Apathetic- he shows no interest or human concern for anyone that he doesn't know. This makes him to seem cold. Shows interest in a topic- when he shows an interest in a certain topic he would overworked himself to the point that he collapses. After he spends sometime in the said topic he would quickly lose the interest in the said topic after its all said and done.
Impolite- Whoever he sees