One bright spring afternoon, my mother convinced my stubborn father to see the doctor. The insomnia, which had blighted much of his adolescence, had returned with a vengeance, and the sleep-deprivation was starting to give him throbbing headaches. Occasionally, the pain was so severe that he would retire to his bedroom and lie there in the absolute darkness. Something had to be done. Chaperoned by my mother, he returned from the appointment as the daylight was starting to fade. “It’s not good news,” he said, slumping down in his armchair. “I’ll just sit down for a moment.’ But, once he was down, we couldn’t lift him back up and we had to summon Dicken from next-door to help lug him upstairs, like hoisting a six-foot-tall bag of cement. After that, his legs were too weak, so in bed he stayed. Well-wishers came to the house in a relentless stream, bringing Tupperware filled with hearty, homecooked meals. But, despite their generous starchy offerings, my father’s strength declined, and his work-hardened hands lay atop the bedsheets, turning …