Characters
The days go on and on... they don't end. All my life needed was a sense of someplace to go. I don't believe that one should devote his life to morbid self-attention, I believe that one should become a person like other people.
— Travis Bickle ‧ Taxi Driver

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Travis says his days blur together endlessly and all he needed was somewhere to go. He rejects brooding on himself and wants to become an ordinary person like everyone else. It's a lonely wish for direction and belonging.
Context reviewed