For years when I was a child, I believed that telephone cable was curly because curly cable was cheaper to make than straight cable. My dad told me that so it must be true, musn't it?
A childhood belief about telephones

others believed things like this
- Living near Canada's border without cable, I didn't know I was American. — Romania
- Bread crusts make your hair go curly— bowlax
- i used to think that bread crust would make my hair curlyAnon
- i used to believe if i ate the crust of bread it would make my hair curly— kate
- I used to believe eating the crusts from sandwiches would make my hair curly.Anon
- When I was little my big brother told me that if I ate raw potatoes my teeth would grow curly. — Lauren