I did the grind-train for several years, and in bursts it could be quite useful, but when at my last $FIRM it turned into a never-ending march towards and beyon

I did the grind-train for several years, and in bursts it could be quite useful, but when at my last $FIRM it turned into a never-ending march towards and beyond burnt out, I started pondering options. I don't think I could do that kind of run ever again.