Psychology says people who reach their 60s regretting the hours they worked aren't selfish or ungrateful for what they built — they're often the ones who mistook being indispensable at work for being important in the life that would remain after the job was gone

My father kept a spare tie in the glovebox of his car. Not for weddings. For the possibility that someone, somewhere, might need him at short notice on a Sunday. He didn't want to arrive looking li...