When I was younger, I used to believe people couldn't hear you humming, until in the second grade I got scolded at for humming.
A childhood belief about general

others believed things like this
- When I was younger, I used to believe if i covered my ears before I farted no one else would hear it.— Lime
- When i was about 5 years old, i used to believe that everything i thought people could hear!Anon
- When i was younger up untill i was like 8 or 9 i thought that famous people didnt poop only normal people!!!— kaitlin
- I used to think that if I closed my eyes other people couldn't see me.Anon
- I used to believe that you couldn't marry people with different eye colors as you.Anon
- I used to believe that if I closed one eye, the people on that side couldn't see me.— KM