Taxi Driver explores the psychological madness within an obsessed, twisted, lonely individual, who misdirectedly lashes out with frustrated anger and power like an exploding time bomb at the world which has alienated him. Travis Bickle (Robert De Niro), an enigmatic, loner enters into the personnel office of a cab company. He applies as a driver in the taxi company to drive the taxi night shift, because he is an insomniac: "I can't sleep nights" and …showed first 75 words of 1177 total…

…showed last 75 words of 1177 total…not interested and he tells her not to worry about the fare as he drives off. If I had to diagnose the character played by Robert De Niro, I would definitely say that he has borderline personality disorder although he does have symptoms of a couple of other disorders described in chapter ten. I would say that he has borderline personality disorder because he fits the four core elements described by Morey in the textbook.