I used to believe that sleeveless shirts were called I shirts instead of T shirts because the sleeves of T shirts made the T and the lack of sleeves made an I.
A childhood belief about in my closet

others believed things like this
- I used to believe that showing my bare arms meant that I was naked, so I never wore short sleeves as a kid. Anon
- When I was 10, I thought that nausea was called Lack-O-Candy Disease. My mom made it up— Teddybearhaha
- I used to believe that tofu was actually called "toe food" and that it was made out of toe-jam.Anon
- I use to believe the sound that a car made when it was running low on gas was what they called horse power...— Bianca
- I used to think that eggs were made in a factory. The oval shell made them fit perfectly in the egg cartons.— Sherry
- I used to think eyedust was made by people who lived in your eyes and made buns.— The world looks to me.