A word of warning: though this post is titled “The Middle Passage,” it’s not about African slave transportation routes. It’s titled after the book it discusses, which is a psychologist’s account of midlife crisis. Just in case someone thought it would be something else.  When the Incomparable Mrs. Jiwaku talked about James Hollis’ The Middle Passage—she’d been reading a Korean translation of the book—she was quite passionate about it, but I found myself skeptical: a self-help book about the midlife crisis, by a Jungian psychologist? Three sets of alarm sirens went off in my head, which you can guess from …