My sister always had one finger up her nose as a child. I told her that the 'bogies' were bits of dried brain she was picking out and if she didn't stop she would die. She believed me, but it didn't stop her nose picking habits.
A childhood belief about picking my nose

others believed things like this
- I used to think, that if you're picking in your nose too much, you push your eye out.— Joanna
- When I was younger, I used to think that picking your nose was against the law.Anon
- Picking your nose and eating it. Hey! Tastes like chicken and only half the calories— Henry the Seventh
- my brother (10) still believes that if you stick your finger to far up your nose you can touch your brainAnon
- My mother used ot tell me that if I picked my nose the 'Nose Spider' would bite my finger off.— Melanie
- I used to think bogies were made of dead flies which had flown up my nose.— Kate