You don't know if patients treated with a placebo feel a benefit, you only know that they report feeling a benefit. What's the task of the physician? Is it to

You don't know if patients treated with a placebo feel a benefit, you only know that they report feeling a benefit. What's the task of the physician? Is it to relieve the patient's pain or is it to get the patient to shut up about his pain? Do you think there is a difference?