When i was little, my cousin (about 4 yrs older than me) told me that if you swallowed toothpaste you would die, so whenever my mom told me to brush my teeth i would just go in the bathroom an wet my toothbrush cause i was afraid the toothpaste might slide down my throat somehow.
A childhood belief about bathrooms

others believed things like this
- For some reason I used to believe humans were made out of toothpaste— lu
- if you eat toothpaste straight from the tube, you will get worms— wormelow
- I used to believe that eating burnt toast would make your teeth whiter and would brush your teeth for you.— Natasha
- I used to believe that if I didn't brush my teeth at night, ants would crawl into my mouth and eat my teeth.Anon
- I read in a book that if you ever swallowed toothbrush bristles then you would get appendicitus!— Amy
- I used to believe when i was about 4 (now 15) that dinosours died because they didn't brush their teeth— gullable