I used to think that green was purple and purple was green... and now I still have to think about it before saying purple or green.
A childhood belief about speaking

others believed things like this
- I used to believe that God was the Incredible Hulk - he was green and muscly and had purple trousers.— Emma
- When I was younger, I used to think that barney was a giant purple and green puppy!Anon
- When I was little, my dad told me that if you pee in the pool the water will turn purpleAnon
- I believed you had to color all the dinosaurs in coloring books green because all the dinosaurs WERE green.— Betty
- My big brother told me that if you peed in the pool, it would turn purple and chase you.— Elizabeth
- if you drank coffee before your 16th birthday, your skin will turn purple.Anon