I used to believe that if your belly button got submerged in the bath, you'd drown. For many years, I was trying desperately to keep my belly button from becoming submerged and was quite upset with my mother for insisting I wash it.
A childhood belief about belly buttons

others believed things like this
- I used to think that if i touched my belly button it would unfold and my belly would be inside out forever. Anon
- babies come out of your belly button— Kit
- when I was a kid I thought that babies come out of a belly-button.— Ana
- When I was a kid my dad told me that if you unscrewed your belly button your bum would fall off.— Ann
- I was told that your belly button is where you put salt when you eat apples in bed.— Shurnuff
- My mom says that when she was growing up, she thought that her belly button was where her skin came together.— Dana