In the world of popular psychology, the work of one giant figure is hard to avoid: Carl Jung, the onetime associate of Sigmund Freud who died more than 60 years ago. If you think you have a complex about something, the Swiss psychiatrist invented that term. Are you an extrovert or an introvert? Those are his coinages, too. Persona, archetype, synchronicity: Jung, Jung, Jung.
For the 10 years they were together, Kristen de Marco and her terrier Gracie were inseparable. De Marco brought her dog to work each day, and routinely left dinners and parties early to rush home to her; she skipped her 20th high-school reunion because Gracie was sick and none of the available hotels could accommodate a dog.