When I was about 7 I stared at my reflection for minutes to see if it would jump out and try to scare me.
Another time I tried to have a staring contest with my reflection. Soon I found out it always ended in a tie.
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 think I could sneak up on my reflection and catch myself not looking back at me.— Mary Poppins
- 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 held a buttercup under your chin and got a yellow reflection then you liked butter!— Tilly
- I used to believe that the reflection at the bottom of cup of liquid was a crocodile waiting to gobble me up.— Aaron