When I was little, my sister and my two cousins were waiting for our parents outside a dressing room and I guess my older sister and older cousin wanted to have the couch to theirselves so they told us that there was a monster that lives under the cushion and that they would protect us by sitting on it. lol.
A childhood belief about monsters

others believed things like this
- a friend of my little sister's had 4 older brothers, so she thought that when you got older you grew a penis!Anon
- when i was really young, i couldn't figure out why i can't get older than my older sister.— angela
- My older sister told me squirrels were poisonous, and I believed her until I was 9.— Jenni
- I used to believe that cows mooed out of their ears-because my older sister told me they did.— ella
- I used to belief sloths lived in trees outside my childhood home. My older sister told me so.Anon
- as a kid, i was told by my older cousins that i wasnt human until i turned 7 years old.— twk