When I was young I thought that grownups spoke a different language to each other when they were alone, and possibly one learns this language in big-boy school.
A childhood belief about family

others believed things like this
- I used to believe that if I spoke with whatever accent a language was in, I was speaking that language...— Renae
- I used to believe that, no matter what language other people spoke, that everyone thought in EnglishAnon
- For the longest time I thought Pig Latin was an actual language that they spoke in a part of Europe.Anon
- I used to believe that the whole world spoke the same language- English.Anon
- I used to belive that african was the language they spoke in all of africa— quark
- I used to think that adults spoke an entirely different language (not English) when kids weren't around. — Swordfish