when i was young i thought every animal had the ability to regenerate severed parts, it just depended how large the part actually was. i.e. a bear could grow back an ear, a human most certainly could not grow back a leg, but a turtle might, and if i had my own hand cut off, well- if i tried really hard, it might grow back.
A childhood belief about general

others believed things like this
- I thought your fingers would grow back if they got cut off— Nate
- I used to believe that if my finger was ever cut off, it would grow back.— Chrissy
- I used to believe that if your arm got cut off it would heal/grow back.Anon
- I used to believe that if i cut of my Barbie dolls hair that it would grow back.— Zena
- I used to believe that if I cut my dolls hair it would grow back just like mine did after a haircut. — diamond girl
- i thought that when it was your birthday you grow and then you didn't grow until a years time.— hello