I read this post:
http://www.theyeshivaworld.com/coffeeroom/topic/things-kids-saiddid/page/6?replies=288#post-550988
and it reminded me of a time when a kid was explaining to me how colors work. “Why is purple purple? Coz it likes grapes! Why is yellow yellow? Coz it eats lots of lemons! Why is black black? Coz it eats lots of lollies and doesn’t brush its teeth!”