My brother told me I was the devils child because I was born on Halloween and later on I would grow horns and a tail. I believed for a week.
A childhood belief about birthdays

others believed things like this
- I used to believe that if you hit your tailbone, a tail could grow out of it.— Ida
- We told our little sister that she had a long bushy tail and she fully believed us for ages!!Anon
- I used to believe that I was older than my brother because I was born in June and he was born in OctoberAnon
- I once believed that if I wore my Halloween costume to bed, I'd wake up as the actual thing.— Sarah
- When I was young I want to grow up yo be a trash man, becuse they only work one day a week.— Steve H
- When I was little my big brother told me that if I ate raw potatoes my teeth would grow curly. — Lauren