I used to be a Toolmaker long ago and far away. And there is a, and not undeservedly so, stereotype of Toolmakers as cranky old assholes. And the job tends to make us intolerant assholes.
I too had reached a point where I had enough of being angry, cranky, and hateful to everyone and myself every day. So I finally took all that cranky angry hatred and decided to channel it into something more constructive - I became a Medic for the next 15 years. And when that pissed me off enough I decided to teach math in my tiny rural school for 4 years until I retired.