Around the age of 5, for no reason I have ever been able to figure out, I believed that mannequins were corpses. When you died, you got turned into a mannequin. Then a pet died and was buried, and I learned the basics of natural decay.
A childhood belief about people

others believed things like this
- When I was little I believed when an actor died in a movie, he died in real life.— Ben
- I used to believe everyone died when they turned 100, and they never died before or after.Anon
- I used to believe that everyone died when they turned 40. — Sara
- i used to believe everybody died once they turned 100— mis-spent youth
- I used to believe that you died when you turned 100, the exact second.— Tianne
- I thought there was some video games so hard that if you died on them you also died in real life!— Kakuri