I used to think it was okay to eat sunflower seeds--shell and all. Eventually my mom helped me link my stomach ache to "shell and all".
A childhood belief about seeds

others believed things like this
- I used to believe that the sky is just a very thin blue egg shell— Alan
- I used to think shell macaroni was sea shells.— Don Northrup
- I used to beleive that a mermaid would be singing to you when u listned to a shell. — vprincess
- I used to believe...If you ate sunflower seeds you could read somebody's mind...LOLAnon
- I didn't understand about boiled eggs until my Mum explained I wasn't supposed to eat the shell as well.— Chris
- When i was little i thought that the soul was a physical part of your body that looked like shell pastaAnon