When i was smaller i.e.6 or possibly 7 i had just been leaning about "Old Possums Book of Practical Cats" By T.S. Elliot and i had just finished learning about "Macavity the Mystery Cat" and untill i was 12 i used to think that because there was a small window above our toilet in our house quite high up that Macavity being a cat burgular and all would come through the window whils i was on the toilet and kill me.
A childhood belief about fear of

others believed things like this
- I used to be convinced that there were bald-headed beige aliens outside my toilet window.— Phil
- I knew lightning could come in through my bedroom window and kill me.
— Cyn - I used to believe that the moon lived on top of our house because I could always see it from the window.— Classic NYer
- I used to believe that Limabeans would kill you if you didn't eat them.
I flushed them down the toilet.— Lima - I thought that toilet paper was bread and by puting it it the toilet i was feeding the ducks at the bottem.— Gringo
- I used to believe that monsters lived in my toilet and they ate my poop and urine when i flushed the toilet.Anon