Summary, being HARD-CORE, long-hours with high intensty.
Oh and some Ketamine prescriptions for the depression that comes with all of it https://edition.cnn.com/2024/03/18/tech/elon-musk-ketamine-use-don-lemon-interview/index.html
Seems like to be him you've got to willing to, for lack of better phrasing, "TEAR YOUR HEART OUT"