I used to think that when I flushed the toilet, I'd get sucked into it, so I'd run out of the bathroom...or I just wouldn't flush.
Eventually, I stopped believing that I'd get sucked in, so I'd have to watch the toilet flush before leaving the bathroom (I have fears of evil things being behind me...I guess I consider the noise of the toilet flushing to be evil...). Sadly, now I still do that.
A childhood belief about fear of

others believed things like this
- i used to belive that when you flush a toilet on an aeroplane you get sucked down— milly
- I used to believe that if you didn't close the toilet lid after flushing, you would get sucked down into it.— Maya
- I used to beleve when i was 4 that the flush on the toilet was to wake up toilet monsters.— Millie
- My brother (who was 6 at the time) would never flush the toilet in fear of our new house being blown up! Anon
- I used to believe that monsters lived in my toilet and they ate my poop and urine when i flushed the toilet.Anon
- I used to believe that if I flushed the toilet before I showered, I would take a shower in dirty toilet water.— Chris D