He had a whole Mr. Brooks thing going on.He also has reptile eyes.
He was talking to himself like he had some psychotic killer alter-ego or something.Calling out his own mistakes and everything else. He is obviously psychotic. His family should have had him committed after his first wife "disappeared". Instead he became the black sheep of the family and they distanced themselves from him.
Also his eyes are black and reptilian. Cold as ice and dead.
Religion is regarded by the common people as true, by the wise as false, and by rulers as useful.