generate questions: In December 1878, Tesla left Graz and severed all relations with his family to hide the fact that he dropped out of school. His friends thought that he had drowned in the Mur River. Tesla went to Maribor (now in Slovenia), where he worked as a draftsman for 60 florins a month. He spent his spare time playing cards with local men on the streets. In March 1879, Milutin Tesla went to Maribor to beg his son to return home, but Nikola refused. Nikola suffered a nervous breakdown at around the same time.
What did Tesla do in December 1878? {sep_token} Why did Tesla sever ties with his family? {sep_token} What did Tesla work as after dropping out? {sep_token} Before he died, what did Tesla's father ask him to do? {sep_token} What health issue did Tesla suffer? {sep_token} When did Tesla depart Graz? {sep_token} What secret did he sever family ties to keep hidden? {sep_token} What was Tesla's friends' theory as to what became of him? {sep_token} What did Tesla do in Maribor for work? {sep_token} What health problem did Tesla have in 1879? {sep_token}