She went downstairs slowly and sat in front of the fire, rocking herself to and fro as she imagined all of the harm he might have suffered: she could see him enticed into a car by a stranger, she could see him knocked down by a lorry in the road, she could see him falling into the Thames and being carried away by the tide. It was her instinctive belief, however, that if she dwelled upon such scenes in sufficient detail she could prevent them from occurring: anxiety was, for her, a form of prayer. And then she spoke his name aloud, as if she were able to conjure him into existence.