.
........Just to make that extra few bucks........
How do you know ? (unless something's been said earlier, and I regret I haven't time to read all again ?)
He might have actually enjoyed his work - I certainly did and would willingly have gone on to 65 if that had been the rule then, and as the wife of one of my colleagues remarked - " I married him for better or worse, not breakfast, lunch AND bloody dinner ! "