Due to an explanation I once heard my mother give, for many years I thought that after any car crash, the two cars' bumpers stayed glued to each other and they should be taken away from the scene of the accident as one.
A childhood belief about cars

others believed things like this
- I used to believe that catterpillar were the peas glued with each other— Umme Hani
- I fully believed, up until about 6 years old, that the word 'accident' was a noun that meant 'burnt toast'.— Karl Goetz
- I thought the no overtaking sign meant that red cars cannot drive by black cars.— Helen
- I thought small cars grew up to become big cars— carhugger
- I believed the urban legend that gum stayed in your stomach for 7 years if you swallowed it.— Lindsay
- I thought that people were like cars because cars have exhaust pipes, and people fart.— Matt