re: Do any retirees “miss” work?

I retired at 55, was financially prepared, after a couple of years I was getting bored (wife still working,) my old company asked if I’d come back and train people for my previous position (shake machine repair,) with pretty good pay, civilized, gentlemanly schedule and full benefits, I love it, we travel whenever we want to and the job keeps the brain in gear and I get to see a lot of my old comrades