I used to believe that when you go in the bathroom and you look at the mirror, you would have to keep looking at it or you might not see your reflection...
A childhood belief about mirrors

others believed things like this
- I used to believe that when you cracked a mirror your reflection would come and take over your body!— XxXAbbeyXxX
- I used to believe that my reflection in the mirror was my evil twin that always had bad hair. XDAnon
- If you stare into a mirror in almost complete darkness, the devil will appear instead of your reflection.Anon
- i always thought I was the reflection and your reflection was a personAnon
- when i was young i used to believe that my image on a mirror would come to life if i broke the mirror.Anon
- I used to think I could sneak up on my reflection and catch myself not looking back at me.— Mary Poppins