she moved to lie on her side , careful not to touch him . his hands tightened around the steering wheel . it must be done within seventy two hours . `` when the light turned green , i pressed down on that pedal so hard my head jerked back . what happened afterwards , we do not know . time to go back , he said . maybe they 'd even known that the thing that killed them might not be the ring , but the people who 'd gone out alongside them . 