When I was younger, I had twin friends that just happened to like taking really hot baths. As they were part Japanese, I naturally thought that Japanese people were immune to hot water. I truly believed that you could dump scalding hot water on a Japanese person and they would be perfectly fine.
A childhood belief about nationalities

others believed things like this
- i used to believe that i am american.
i am japanese . — mayumi - My older brother made me believe that wristwatches were powered by tiny Japanese men inside them.— Outsider
- I used to think that pickles grew naturally in the sea, and that's why the water in the jar was so salty.Anon
- I used to believe that every person in the world had a twin, and that I had a long-lost twin in France.— Ashley
- I thought that hydrogen was pure water (since I knew hydro- meant water) and H2O was impure some how— Hexetic
- I used to believe that if i splashed water on the wall during a bath, the water would turn into spiders— justin