Perhaps it's anecdotal too but I work in mainframes (myself being 38) with both younger and older colleagues and the ones that are older seem to be far more foc

Perhaps it's anecdotal too but I work in mainframes (myself being 38) with both younger and older colleagues and the ones that are older seem to be far more focused and determined (perhaps "work ethic" is the most apt word for it) than the younger ones. I can even feel it myself looking back.