One of my jobs, being a rock-climbing instructor, includes helping people overcome their fear of heights. I explain to them that the real issue isn’t falling, but hitting the ground. Then I remind my clients that they have the proper safety equipment and good anchor points—making it impossible for them to drop. One thing they need to grasp is that their mind is actually lying to them, and that they can override their panicky thoughts. Being up high is not dangerous in itself; it’s only dangerous without the right safety equipment. Talking this through with them can take a long time,…