At my grandmas house, and onlly at my grandma's house, I check behing the shower curtain before I go to make sure that there is nobody bad behind there.
A childhood belief about bathrooms

others believed things like this
- I used to believe that when you moved house you swapped house with the person moving into your old house.Anon
- when i was young i believed that when u moved house the house would come with you !!!
just like a turtleAnon - The Whit house down the street was the real "White House". — SG
- I used to believe that if you opened up an umbrella inside your house that the whole house would fly awayAnon
- when i was younger i thought that when you moved house your house moved with you!!— chrissy
- I used to believe that take a shower meant to go steal a shower from the storeAnon