But in the car on the way home, it hit me. It was early evening and I might not have been the first white person to "challenge" them, as they thought, in a public space that day. Maybe they'd managed to be polite the first few times, but by the time they got to me, they were too tired to fake it. I certainly wasn't the first person in their lifetimes or even the hundredth. And most of those white people didn't just want to help them find a book. White people use performative 3/11