I used to believe that when you grew up that you got a book that explained everything because of a calvin and hobbes comic where calvin's dad lied about the book. I remember asking my mom why we had to go to school when we would eventually get a book that explained it all. How gullable.
A childhood belief about getting older

others believed things like this
- I used to believe if you read a book in the dark, you would go blind.— Ellen
- I believed the book Babar was how my name was spelled.— Barbara
- i thought that we were just a big story book that ended when we died— samantha
- I used to believe that copying definitions out of a book counted as plagiarism!Anon
- I read in a book that if you ever swallowed toothbrush bristles then you would get appendicitus!— Amy
- I thought Kaa's name from The Jungle Book was spelled "Car" and that he had a brother named Truck.Anon