Question: When Travis goes into his fitness phase, it shows him hovering his fist over the stove fire. Why is he doing this? What does that achieve?
Question: Is there an official explanation to the ending of the movie? Some people say that it was Travis's dream sequence, and others say it was Travis going back to his manic depressive self again. What caused Travis to get so startled when he was looking at the rear vision mirror? Did Scorsese deliberately make the ending very vague or is there supposed to be an explanation to the ending?
Question: Why did Travis want to kill Sen. Charles Palantine?