"Is it because it holds up your head?"
She replied, "No, it is because it can hold the head of a friend or loved one when they cry. Everybody needs a shoulder to cry on sometimes in life, my dear. I only hope that you have enough love and friends that you will have a shoulder to cry on when you need it."
Then and there I knew the most important body part is not a selfish one. It is sympathetic to the pain of others.