Musk is a self admitted, I forget which, bipolar or manic depressive.
Jul 31, 2017 - Two days later, in an exchange via Twitter, he described experiencing “great highs, terrible lows and unrelenting stress,” even as the company achieved a milestone goal. When another questioner asked Musk via Twitter if he was bipolar, he responded “yeah.” Twitter. “Maybe not medically, tho. Dunno,” he .