People vastly underestimate how easy it is to burn yourself out and how long or difficult it can be to recognize you've done it. Solid advice. I'd tack on finding a mentor who pushes back on you and has reasonable work/life balance expectations.
It's just like in japan when someone falls over a heap of work on premises at late hours, instead of lazy they think the guy is a 'trooper' for staying in for such a long time ("must be a strong person").
This has to stop.
And on top of that he was severely dyslectic. I don't know, I feel like he would have made a better fire fighter.
Long story short, it took me two years to run into the wall like a freight train. This was 20 years ago, to this day I have serious issues with phone signals and stress in general. First sign of trouble and I simply shut down, can't do it any more.
Second that!