Back when I was in management my number one advice to the folks under my leadership was “care less”. Like sure even from a management position it isn’t hard to see that becoming emotionally invested in work is the easiest way for a missed sale to ruin someone’s week. But from the human perspective its like, why care so much? You barely make a fraction of a percent of the total value of your labor here, tip the scales, give them the bare minimum of labor and stop caring so much.