My mother wasn't a fool," I say. "She just understood something you didn't. That it's not sacrifice if it's someone else's life you're giving away, it's just evil." I back up another step and say, "She taught me all about real sacrifice. That it should be done from love, not misplaced disgust for another person's genetics. That it should be done from necessity, not without exhausting all other options. That it should be done for people who need your strength because they don't have enough of their own. ...