I used to strongly believe that if a person hit their dog in anger the place where the dog had been hit would later turn into a tumor.
A childhood belief about cats and dogs

others believed things like this
- When I was small, my brother would bug me and say that if my hand was bigger than my head, I had a tumor.Anon
- Oasis - Don't Look Back In Anger
"Oh, Harry can't mate
He knows it's too late
As he's stalking, oh my..."— Santa Puncher - i used to think that housten was a real person and not a place, im 16 and i found this out yesterday......!lol— jess p
- i used to believe Houston was a person, not a place (as in, "Houston, we have a problem") — Kirsty
- I heard the song about Heaven being a place where nothing ever happened and thought, "What a boring place."Anon
- I used to believe that flea markets were a place people sold fleas, or the place was infested with fleas— Kelley