“Fear can be a source of facial discrimination because faces, which we are not used to, can be frightening, deviant or weird. Since the human brain permanently processes countenances, it identifies who is who, who is foe, who is friend, and who could constitute an imminent danger. Only, when the mind has become accustomed to the various facial types, people might drop their prejudices and their fear. (- "Ugly mug offense" )”