A neighbor in her seventies or eighties paused last week when she saw my husband playing in the garden with our four-year old daughter, in the lockdown we now face. She told him that she was on her way to have her one daily cigarette—no doubt medically inadvisable, but why not have a small pleasure now?—and that she was thinking about how the world had changed with “the virus.” And then she said, “you know, I think that there are birds chirping now in Beijing, people can breathe the air better in Rome and Madrid.