Yasunari Kawabata had Parkinson's disease), a possible illicit love affair, or the shock caused by the suicide of his friend Yukio Mishima in 1970. Unlike Mishima, Kawabata left no note, and since (again unlike Mishima) he had not discussed significantly in his writings the topic of taking his own life, his motives remain unclear. However, his Japanese biographer, Takeo Okuno, has related how he had nightmares about Mishima for two or three hundred nights in a row, and was incessantly haunted by the specter of Mishima. In a persistently depressed state of mind, he would tell friends during his last years that
Yukio Mishima author Michizō Tachihara (1914–39), which in turn created an appreciation for classical Japanese poetry form of "waka". Mishima's first published works included "waka" poetry, before he turned his attention to prose. He was invited to write a short story for the Gakushūin literary magazine and submitted , a story in which the narrator describes the feeling that his ancestors somehow still live within him. Mishima's teachers were so impressed that they recommended the story to the prestigious literary magazine "Bungei-Bunka". The story makes use of the metaphors and aphorisms that later became his trademarks and was published in book form