If a person's basic state of mind is serene and calm, then it is possible for this inner peace to overwhelm a painful physical experience. On the other hand, if someone is suffering from depression, anxiety, or any form of emotional distress, then even if he or she happens to be enjoying physical comforts, he will not really be able to experience the happiness that these could bring.

Transforming the mind: teachings on generating compassion (ed. Thorsons Pub, 2000)