i always thought that my reflection in a mirror was just another person who did everything that i did at the exact moment. i would always try to move real fast and unexpectedly to see if the reflection could mimic me. then i tried to go through to the other side to beat that guy up but he would always push me out.
A childhood belief about mirrors

others believed things like this
- i always thought I was the reflection and your reflection was a personAnon
- 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 used to think I could sneak up on my reflection and catch myself not looking back at me.— Mary Poppins
- If you held a buttercup under your chin and got a yellow reflection then you liked butter!— Tilly