there was , of course , precious little a robot would miss that a human could notice . sanders tugged at the knot on his tie and pulled into a space in the parking lot . she was furious at all of them , but most of all , she wanted to save her baby . it was peaceful here , and not for the first time , she wondered why she 'd been so anxious to move away . `` please , '' she said softly , daring to put her hand on his , her eyes filling with tears . 