Keep telling yourself that, and hire a mason to do some machining, or the machinist to do your hair, or the hair stylist to do your doctoring, or your doctor to do your roofing, or the roofer to do your stocking, or the stocker to do your books, or the bookkeeper to do your cooking, or the cook to do work on your car.
I assure you, human beings are not mere cogs. The sooner you divorce yourself from the notion, the better off you and any employees will be.
