I used to believe that tea was only light brown on the top (where you added the milk) and as you drank it this bit sank to the bottom. This idea was only dispelled when I had a cup of tea in a see through mug and I was very shocked.
A childhood belief about milk

others believed things like this
- Chocolate, they say, rots your teeth. I believed if you drank chocolate milk, your bones would be brown.— Dellio
- I used to believe chocolate milk came from brown cows and regular milk came from black and white cowsAnon
- i used to think chocolate milk came from brown cows and normal milk came from white cows Anon
- I used to believe the milk would get sad if all I ever drank was koolaid.— al
- My Granny said if I drank milk and ate fish at the same time, I would die.Anon
- I used to think that if you drank too much milk and had a nosebleed, your blood would be white.— Tina