Filled with existential ennui about your place in the universe? Get over yourself. Yes, you're an inconsequential worm in the grand scope of history. But you're an inconsequential worm who makes shit up for a living, which means that you don't have to lift heavy boxes or ask people if they want fries with that. Grow up and get back to work.
Another reason it’s wise for a man to view his marriage and not his job as foundational to his life is the biblical idea of union with his wife. We’re called to work, but we’re never called to be in union with our jobs. However, a man is most assuredly called to be in union with his wife.