I used to think that cats laid eggs and that my brother's collection of yellow nerf balls under his bed were my cats nest of eggs. My brother still tortures me with this.
A childhood belief about cats and dogs

others believed things like this
- I used to believe that cows laid beef, like the way chickens laid eggsAnon
- When I was little I believed rabbits laid eggs. Anon
- The Easter Bunny laid eggsAnon
- I used to believe that horses laid eggs. No one ever corrected me...— kelly
- I used to believe that like chickens lay eggs, pigs laid sausages...Anon
- My parents told me that scotch eggs were laid by a Haggis. — sarah c