In the movie Fight Club (1999), the narrator (often referred to as "Jack") struggles to keep up with and understand his alter-ego's actions and motives.
In one scene, he loses his head and pounds the daylights out of a blond-headed man who had recently received Tyler's praise. Tyler reacts somewhere between disgust and surprise at this behavior, asking him "Where'd you go psycho boy?"
Shortly after this, Jack stops being aware of his alter-ego at all, perceived by him as Tyler leaving. What is the significance of this scene? Is Jack jealous over the praise the other man received? Is there another explanation? Does Jack secretly want to be Tyler?