I used to believe that in football (soccer) the object of the game was to get the goalkeeper to fall down. Needless to say I wasn't very good at it then!
A childhood belief about sport

others believed things like this
- I thought that soccer moms were moms that played soccer!Anon
- I used to believe that the game The Legend of Zelda: Twilight Princess was the longest game ever.Anon
- I used to believe that aliens would come and take me if I wasn't good to my parents— somebody
- I use to believe that if a sharp object punctured your eye it would pop like a bubble— Dani
- When I was younger I used to believe that when I hit an object they would feel pain like they were living.— Alice
- When I was little, I used to believe that football players really had shoulders that big.— Angie