"Should I replace the bandage on his ankle?" inquired the nurse of the doctor. "It looks well enough to be removed now."

"Yes, give him a new bandage," said the doctor. "He doesn't really need it there but I want him to come back, so I can check up on something else about him. Without the bandage he won't return."

Many times patients are brought to the doctor by members of their family for some hidden reason because the patie…