I used to believe that my mum's real name was actually mum, and whenever someone called her Janine I would always have to pipe up and correct them!
A childhood belief about names

others believed things like this
- I used to think a drain pipe in my backyard led to another world.Anon
- I used to think that my dad was "smoking pot" when he would smoke his pipe while sitting on the toilet. Anon
- When I was little - before we learned cursive - my sister and I called it 'real writing'. — Monty
- My 7 year old nephew holds the opinion that the correct name for a pidgeon is a "city chicken".— Bastard
- I believed that wind was caused because the trees moved. I was completely sure my conclusion was correct.— Glenr
- I always wondered why shepherds washed their socks by night. (correct lyric: watched their flocks)— MaggieNJ