When I was young I believed that if you stayed in another country for an extended period, you started to look like its inhabitants (change if skin colour, hair colour, facial characteristics, height, etc.)
A childhood belief about nationalities

others believed things like this
- when i was young i always thought that traffic lights were big lolly pops that changed colour— rudiger2
- my mum used to say if i lied my eyes would change colour...when i lied i would shut my eyes— kevin rosenqvist
- When I was a kid I though facial hair on a man is what gave them the deep voice — Adrian Z.
- I used to think a mustache was just extended nose hair.— Dan
- I used to believe that the sun was an oversized colour changing M&M.Anon
- I used to believe that before colour TV the world was black and white....— Dougie