I used to believe that a baby shower was a tiny bathtub with a showerhead just for the baby.
A childhood belief about bathrooms

others believed things like this
- I used to think when I peed in the shower as a kid, the water coming back through the showerhead was my pee.— gregg
- on "highway to hell" i always thought it goes "baby see, baby do" instead of "hey satan, payin´ my dues"— Miss Understood
- That because Gerber Baby Food had a baby on it real babies were put in there. Thanks a lot cousin!— Nicole
- I used to believe that take a shower meant to go steal a shower from the storeAnon
- I used to think that toilets led to the shower head. That's why I never took a shower :D— scared
- when I was little I used to think you had to have a baby before you got married!— Supergirl