I used to believe (because my mom told me) that beer was the urine of horses, and thats why they showed (used to) all the horses on the commercials
A childhood belief about drinks

others believed things like this
- When I was little I thought cows married horses, cows were all female and horses were all male. — Sheila
- My mother told me chewing gum was made from horses hooves!Anon
- I believe there are horses making the car go fast when people told me the horse power of a car.— Jake
- I used to believe that horseradish
was made from horses.— Dee - I used to believe cows were ugly horses— Marlene
- When I was ten, I used to believe that the horses didn't sleep.— Jared