i just do n't know what it is , '' rob said , licking his lips . and her tour guide felt the need to introduce her to every member of the hospital staff . `` she said the dust was afraid of it ! she had never been there before . shields in front , shields in front ! i looked down at the ground and shook my head . luis pushed him back , and then he jumped out of the car and started running toward the cottage . they were silent and looked uncomfortable with each other after their little argument . 