A brain surgeon saved my sister's life. In the days after her recovery, my dad ran into her surgeon eating in the hospital cafeteria at 11pm. My dad asked him w

A brain surgeon saved my sister's life. In the days after her recovery, my dad ran into her surgeon eating in the hospital cafeteria at 11pm. My dad asked him when his shift ended and the surgeon just looked at him and said, "I live at the hospital." There was just so much work he had to do. Rewarding work, but grueling.