When I was around 5 or 6, I saw part of some police procedural tv movie, and the victim had died from a "blow to the back of the head". For at least a year or two afterwards, I thought that if someone blew on the back of your head, you could die. It affected me enough that I could not fall asleep on my side, with the back of my head exposed.
A childhood belief about people

others believed things like this
- My mom always told me she had eyes in the back of her head. — Ellana
- I really believed, underneath her hair, my mom had an eye in the back of her head.— Jessica
- When I was little, I believed my parents really had eyes in the back of their head.— Tera
- i used to believe that my preschool teacher had eyes in the back of her head.Anon
- I used to think that if you didn't blow your nose and just sniffed the snot up, you head would blow up.Anon
- My mom said she had eyes in the back of her head. I looked and looked, but never found them.Anon