“Every age brought its specific terror. As a boy, Felix had lain awake, afraid the house would burn down. As a youth, he’d dreaded bullies. Later, it was conscription into the army. Or the fear of not learning a trade. Or never finding a wife. After school, his career. After his son was born, he feared everything. His secret dream was to face down such a horror that it would leave him inoculated. He’d never suffer fear of anything, ever again. These”