Clara Bonner, however, had begun backing away from them, her face pallid. She retreated until she reached the south edge of the roof, and could retreat no more. Savanna let go of Roger and stepped toward her. “Clara?” She was shaking her head. “I can"t ... I can"t, okay?” The roof skewed once more, and the loose gravel shifted beneath their shoes like greased ball bearings. “You got to, honey,” Savanna told her gently. “We"re not leaving you here.” “Well, I’m not going!” Her eyes had welled up in tears. “See, this is the part of the movie where the fat chick who can"t keep up bites it ...” “No,” Savanna insisted. “We "re gonna make it. We are all going to make it, do you understand me?” Again the roof tilted, and everyone wavered dangerously on their feet. And again the rex glanced