"I moved over to Grandma's side of the limousine and told Mom, 'Why would I need a key to her apartment?' She could tell that I was zipping up the sleeping bag of myself, and I could tell that she didn't really love me. I knew the truth, which was that if she could have chosen, it would have been my funeral we were driving to. I looked up at the limousine's sunroof, and I imagined the world before there were ceilings, which made me wonder: Does a cave have no ceiling, or is a cave all ceiling? 'Maybe you could check with me next time, OK?' 'Don't be mad at me,' I said, and I reached over Grandma and opened and closed the door's lock a couple of times. 'I'm not mad at you,' she said. 'Not even a little?' 'No.'...