I used to believe that I only went pee after I drank apple juice. I would have to go to the bathroom and be confused all day because I didn't drink apple juice.
A childhood belief about drinks

others believed things like this
- I used to think that apple juice was beer and I'd drink it all the time and pretend to be drunk.— Dee
- as a young child i thought poo was brown from eating chocolate and pee was yellow from drinking apple juice!Anon
- My Mom used to tell me if I swallowed an apple seed I would grow an apple tree inside my stomach!— Marg
- I used to believe that an Adams apple was a piece of apple that was stuck in someone's throat.— Ron Aaron
- When I was a kid, I used to bellieve that when I eat an apple pip an apple tree would grow up in my stomach!Anon
- I thought the big apple was literally a giant apple in New York Anon