Eric Butterworth tells a story about a young soldier who lost his legs in battle. Something died within this young man when he found he would never walk again. He lay in his hospital bed, staring blankly at the ceiling. He refused to talk to anyone who tried to help him. He refused to cooperate with doctors or nurses who wanted to help him to adjust.

One day another inmate of the hospital strolled in and sat down on a chair near the bed. He drew a harmonica from his pocket and began to play softly. The patient looked at him for a second, then back to the ceiling. That was all for that day. Next day the player came again. For several days he continued to come and to play quietly. One day he said, "Does my playing annoy you?" The patient said, "No, I …