We're all of Ethiopian descent.

People can establish a sense of ownership in an incredibly short time. Like, you get on the bus and walk past everybody to an empty seat and get settled in, then at the very next stop you look up at a boarding passenger and think to yourself, “Who's this new guy on my bus?” That's your inner two year old, the one who just learned the word “mine.” The same part of the brain creates ideas like, “This was always a Jewish neighborhood, now it's all Colored,” or “How come there's so many Mexicans in Texas?”