I thought that rat poison is only poisonous to rats and harmless to humans and other animals (fortunately I never acted on this)
A childhood belief about general

others believed things like this
- When I was young, I used to wonder what if the animals turned into humans while the humans were away.— Kirk
- I used to believe when I was a child ,
during xtmas time animals speak like humans after 12 pm— lan - I thought adultery was when you acted too much like an adult as a kid and wondered whats so bad about that?— Butch McFear
- when i was small i thought rats mutated into batsAnon
- When people talked about serial killers, I thought that they put poison in your cerealAnon
- I used to think thats rats put those eye crusties there while I were asleep— Maria