i used to believe that my mirror reflectoin was my twin and thats why some people had twins, because their reflection had gotten out. i used to always try to pull the my reflection out of the mirror.
A childhood belief about mirrors

others believed things like this
- I used to believe that my reflection in the mirror was my evil twin that always had bad hair. XDAnon
- I used to believe that when you cracked a mirror your reflection would come and take over your body!— XxXAbbeyXxX
- 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