"Mary Laura Philpott thought she'd cracked the code: Always be right, and you'll always be happy. But once she'd completed her life's to-do list (job, spouse, house, babies--check!), she found that instead of feeling content and successful, she felt anxious. Lost. Stuck in a daily grind of overflowing calendars, grueling small talk, and sprawling traffic. She'd done everything "right," but she felt all wrong. What's the worse failure, she wondered:...