Amen. I am exactly here, just before forty...
I went to college and tried a year of grad school, and then ran off to become an electrician. This is a profitable career but is extremely tough on body; any position within the industry, it is still physical labor. Now, after fifteen years of sacrificing myself "for the big bucks," I am left wondering whether I will be able to fit into a work environment that isn't construction [knowing that I must make this transition].
It is paralyzing fear, and removing this debilitation is hard when people are literally throwing bonkers money at anybody even claiming to be a skilled tradesman, right now — my body is done! The money is good! Whatdo?!
I'm currently "taking time off" and re-exploring a childhood love of computers... learning python, bought a new computer for first time in over a decade... trying to love this all!
And now with all the AI coding and copywriting... UGHHHHH. The timeline, it's just brilliant and perhaps I'll just retire and enjoy a new AI existence =P