““More than a few people, some of whom think they know me quite well, have remarked that they are struck that I, who can seem so even-keeled and imperturbable, would choose to write a book about anxiety. I smile gently while churning inside and thinking about what I’ve learned is a signature characteristic of the phobic personality: “the need and ability”—as described in the self-help book Your Phobia—“to present a relatively placid, untroubled appearance to others, while suffering extreme distress on the inside.”c””