Lance Morrow, a journalist and writer, succinctly expressed the multigenerational nature of stress in his book Heart, a wrenching and beautiful account of his encounters with mortality, thrust upon him by near-fatal heart disease: “The generations are boxes within boxes: Inside my mother’s violence you find another box, which contains my grandfather’s violence, and inside that box (I suspect but do not know), you would find another box with some such black, secret energy—stories within stories, receding in time.”