I used to believe that if you were to suck your blood whenever you had a cut that it would go back into your system and you would never lose it like you would by soaking it up with a napkin.
A childhood belief about general

others believed things like this
- when I was young, I heard that blood had iron in it. I thought blood was red because it was rusty.— Hunter
- I used to believe that guns shot out blood because everytime somebody shot a gun in a movie you saw blood.Anon
- I used to believe that when you grow up, you lose your given name and become just Mr., Miss, or Mrs. Whoever.— Andrew Buc
- Whenever on of my parents let one lose, they would say, "Barking Spiders!"— Ginger
- When i was child i used to believe that when i lose one tooth, a little mouse will give me some money.— Daniele
- I used to believe that I invented the X Y coordinate system.Anon