““I used to dream I’d saved my parents,’ he said, remembering the little boy looking out the living-room window, leaning over the back of the sofa, resting his cheek on the nubbly fabric. Sometimes, when the winter wind blew, he could still feel it rough against his cheek. Whenever his parents went out for dinner he’d wait, looking into the night for the headlights. And every night they came home. Except one.””