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 in 1944 in a limited edition (4,000 copies) because of the wartime shortage of paper. In order to protect him from a possible backlash from his schoolmates, his teachers coined the pen-name "Yukio Mishima". Mishima's story , published in 1946, describes some of the scorn and bullying he faced at school when he later confessed to members of the school's rugby union club that he belonged to the literary society. This trauma also provided material for the later story in 1954. Mishima received a draft notice for the Imperial Japanese Army during World War II. At the time of his