That's been my survival mechanism. I'd be homeless otherwise but I was able to hyperfixate on work related things and become a workaholic after failing out of school (where I couldn't focus on courses I didn't like).
My life/work balance has never been good, but its awesome to be fixated on the thing people pay you money to do.
Totally. Matt Yglesias calls this the "crank realignment."
https://www.slowboring.com/p/the-crank-realignment-is-bad-for