When I was five or six, I used to pee in the drain at school. The reason being that I saw some boys doing it (I'm a girl) and thought it must be allowed. The Finding Nemo line "all drains lead to the ocean" kind of reinforced that belief.
A childhood belief about general

others believed things like this
- I used to belief that mermaids lived in underground drains. Anon
- I used to think the line in Pink Floyd's Another Brick in the Wall was "No dogs allowed in the classroom."— Gretchen
- I used to think that the song "My Bonnie Lies Over the Ocean" was really "My Body Lies Over the Ocean."Anon
- When i was younger i believed that a cat was a girl and dogs were boys.Anon
- When I was a little girl, I believed that all cats were girls and all dogs were boys. :)— Mary Ellen
- I used to think that the song"Stayin Alive" said "Staying In Line" like at school when I was little. — MacKenzie