To go on an adventure (without personal risk).
To learn about a new culture or country; to see how other people live.
To have something to talk about with your friends.
To challenge your ideas or worldview, or to confirm it.
To laugh and have a good time.
To be scared.
To feel understood.
To argue about something.
To escape the pain of your present life.
To participate in the culture, to be “in the know” or “in the conversation.”
To raise your status.
To develop taste.
To learn about fashion.
To be inspired.
To sit in an air-conditioned dark room for a while.
To distract yourself.
To share an experience with friends.
To have something to recommend to others (raise your status).
To be part of a group (“people like us watch movies like this”).
To connect with other humans.
To have something to talk about.
To have and accomplish a goal (“I’m going to watch all of the films of Ingmar Bergman.”)
To learn how to make your own movies.
To learn how not to make your own movies.
To find a new identity or a new way to live.
To watch an actor that you like watching.
To be completely engaged and lost in a story.
To remind ourselves to be more x or y.
To have something to hate or dislike or define ourselves against.
To critique or learn to be critical.
To give notes or help someone who is making the movie.
To understand someone else (through the movies they like).
To get turned on / in the mood for sex (alone or with partner(s)).