How can you know when you have been healed? Seems like an odd question. For many, the answer is obvious: when the pain is gone, the fever has come down, and the disease is no more. But the Gospel gives a better answer. "The fever left her," we are told of Peter's mother-in-law, "and she began to serve them." As she was healed, she immediately began to serve others. When we are ready to help others...