“But I’ve been turning over in my mind the question of nostalgia, and whether I suffer from it. I certainly don’t get soggy at the memory of some childhood knickknack; nor do I want to deceive myself sentimentally about something that wasn’t even true at the time—love of the old school, and so on. But if nostalgia means the powerful recollection of strong emotions—and a regret that such feelings are no longer present in our lives—then I plead guilty.”