Emma is a poster girl for Newton’s first law of motion: Once she starts doing something, she just keeps doing it until acted upon by some external force. Each day when Emma’s alarm clock rings, she drowsily hits the snooze button several times. The shower, when she finally gets there, is so steamy and fragrant, she lingers twice as long as strictly necessary. She dresses hurriedly, only to check the mirror and change. And so it goes: Coffee savoring takes 15 minutes; lipstick experimentation, five minutes; car key searching, another 10. Emma often arrives at the office late—but that’s [...]