Musk revealed to The New York Times in August 2018 that he now works 120 hours per week. Musk told The Times that he had times when he didn't leave his factory for three to four days. "This has really been at the cost of seeing my children. And my friends."
Elon Musk, an engineer and tech entrepreneur from The Boring Company, listens to Chicago Mayor Rahm Emanuel discuss building a high-speed transit tunnel at Block 37 in a news conference held on June 14, 2018, in Chicago. Getty Images/Joshua Lott
Source: The New York Times