After Norman is physically attracted to Marion, he feels guilty for betraying his alter ego which is that of his mother, who I would label as Norma. In response to her guilt, Marion decides to return the stolen money. Responding to the guilt of having betrayed Norma, this alter ego of Norman kills Marion. Since Norman Bates assumes his mother's identity in response to a strange attachment he has for her, as Norman himself says, "a boy's best friend is his mother", and that his mother is his "trap" in which he was "born", it seems that Hitchcock's lifelong interest in Freudian psychology is very intense as Norman Bates had an Oedipus complex If this is true, Psycho contains Norman's emasculation at the hands of a woman. who happens to be his mother that Norman Bates remained in love with his mother and that Marion has the power to cause this pathology, Psycho is another example of a woman having power over a man, or a "boy", in the case of Norman Bates. Because Alfred Hitchcock he implied a lot in his films, his films may have implied a lot about himself If this is true, Alfred Hitchcock had a cryptic way of expressing who he was