Psychoanalytic psychotherapist Juliet Rosenfeld published her meditation, as her publicist so aptly describes it, on her own journey from an intellectual understanding to a deep, personal grasp of Freud’s distinction between harrowing grief and the gentler sorrow of mourning in February – when today’s equivalent of Spanish flu had begun to throw wives, husbands, children, lovers across the globe into states of emotion they may never fully process.