Later, over coffee, we got onto the subject of elderly parents. Janet's mother is eighty-nine and is in excellent physical and mental health. “Unlike my friend Phil's mother,” she said. “This was a woman who never missed a church service, who was an absolute pillar of her community. Then she got dementia and became a different person.” She poured me more coffee. “The last time Phil saw her, she leaned over in her wheelchair and at the top of her voice said, ‘Hitler wants my pussy.’”