I asked my sister why ninjas wore so much black. She told me it was so they would blend in more at night. I then figured that if they were doing ninja stuff during the day, then they must wear ninja suits that come in white. I wasn't sure how effectively that would work, but that's what I thought.
A childhood belief about appearance

others believed things like this
- If someone broke into my house at night my ninja turtles would come to life to protect me.— blip
- I used to believe that "Meningococcal" was pronounced "Ninja cockel."Anon
- I thought bathing suits were called "baby suits".— Katie
- I thought that old movies were black and white because the world was black and white then. — K
- I once asked my dad 'when you were little were you in black and white?'
So I guess I believed that lol XD— Moo - I used to think that the old days were actually black and white because of the old black and white pictures.— Leigh Taylor