https://phys.org/news/2018-09-elon-musk-muses-life-whiskey.html

At one point, Musk described the constant barrage of ideas in his mind as being "like a "never-ending explosion," and said he wondered as a young boy whether he might be insane because it didn't seem to happen to other people.

His comments came as Musk drew questions of late over his leadership and demeanor.