Other travelling salesmen live a life of luxury. For instance, whenever I go back to the guest house during the morning to copy out the contract, these gentlemen are always still sitting there eating their breakfasts. I ought to just try that with my boss

Gregor is traveling salesman who hates his job but is forced to keep it in order to support his family and pay off his father's debts. We see his scorn for his job when he sees other salesmen being successful. He resents how he is treated by his boss and the pressure his family puts on him to keep it.