There's something fascinating about those kids who ate laundry soap as part of a weird “challenge,” or people who deliberately loiter on the steps with the “no loitering” sign. These are strange things to want to do—what are people getting out of them?

Marcel Proust once wrote about a hypothetical sufferer of “spiritual depression” who has no physical incapacity but lacks the will to act. If you've been walled up at home for weeks, you might suffer from this type of mental languor. A good book may be the jolt you need to spur you into new and creative thoughts.