My mom used to tell us kids that if you put your arm out of the car window,that it would fall off.
A childhood belief about cars

others believed things like this
- My kids believe if they pick their nose their butts will fall off!— wendy
- My wife used to tell our kids that if you pick your nose your brains would fall out— grampy
- I thought if you trip and fall down you fall at the speed of light!— Dietrich Corby
- I used to believe that the moon lived on top of our house because I could always see it from the window.— Classic NYer
- When I was little I thought a widow was someone who stares at you through a windowAnon
- I knew lightning could come in through my bedroom window and kill me.
— Cyn