I don't remember watching a movie in the cinema all by myself. It is my habit to watch with someone whether a friend or family. Maybe I was too naive when I was young but when I became an adult I know that it is better to watch a movie with someone so that at least there will be a good talk when you go out of the cinema.
Yes, because I live by myself in a one-bedroom flat. I usually find watching movies a form of escapism to real life; I don't mind being myself. With some snacks & drinks, it's actually quite fun on a Friday/Saturday night.
I like to watch most movies alone by myself but there are some such as cartoons, Disney movies etc, that I like to watch along with my son. Since my husband is not at all a movie fan, we hardly watch any together!