"I came upon a doctor who appeared in quite poor health. I said 'there is nothing I can do for you that you can't do for yourself.' He said 'Oh yes you can, you can hold my hand, I think that that would help.' So I sat with him a while, then I asked him how he felt. He said 'I think I'm cured. In fact, I'm sure. Thank you, stranger, for your therapeutic smile.'"