For the longest time, maybe till about 13 or 14 years old, i believed that nasal mucus was the "forgotten memories" brain matter being cleared out to make way for new memories to regenerate new brain matter. If you ask me it kinda makes sense.
A childhood belief about general

others believed things like this
- When I was little I believed that boogers were parts of my brain that got used up.Anon
- i was always told if i picked my nose my brain would fall out! i belived it for years!Anon
- i use to belive that mum could vac up my toy no matter how big or small— beach bum
- I used to believe that every one that
passed away would come and visit me.
No matter if I knew them or not!— Ashley S. (Knoxville , TN) - I used to believe that barf always had noodles and carrots in it no matter what you ate that day. — DumbKid
- I used to believe that if a dog stuck their tongue in your mouth, you would get worms no matter what.— ` [ A ] m a n d a .