In the dedication of his book, "The Heart of Caring," Dr. Mark Vonnegut tells his patients, teachers, and parents everywhere, "Thank you for letting me have such a good time when I go to work." Dr. Vonnegut is a pediatrician who graduated from Harvard Medical School in 1979. This was after he had been diagnosed, at age 25, with severe schizophrenia. He's had four psychotic breakdowns in his life, but has managed to successfully practice pediatrics for close to forty years. Mark Vonnegut, in his newest book, writes about patients, parents, insurance companies, and his late father, the novelist Kurt Vonnegut.   Learn more about your ad choices. Visit megaphone.fm/adchoices