Getting a GED is not hard as you can take it in steps and accessibility is not difficult.

He likely already has one, or is on the way to getting one.

Further, there is no max age restrictions to getting a GED and going to college or training ng for a less physical trade. He could do so at 82 if he wanted to.

This job he has is likely one of many. Most people change careers multiple times these days, let alone actual jobs.

He’s articulate, mindful, and energetic. He’ll be fine. Better. He’ll do well in life.