At age sixty-four, Ellen Schecter signed up for a Tour du Mont Blanc hike despite her fear of heights. Pushing through nerves, she managed to trek along the steep and narrow trails, climb a ladder secured to the side of a mountain and cross a long swinging bridge high above a canyon. But it all came to a shuddering halt when she found herself petrified on all fours atop the rocky terrain. The mantra she had been repeating—“Feel the fear and do it anyway”—was no longer working.