Between pages 23-35 what does Gregor articulate as his reasons for working the job he does

From the text:

"....... Gregor's only concern had been to use everything he had in order to allow his family to forget as quickly as possible the business misfortune which had brought them all into a state of complete hopelessness. And so at that point he'd started to work with a special intensity and from an assistant had become, almost overnight, a travelling salesman, who naturally had entirely different possibilities for earning money and whose successes at work were converted immediately into the form of cash commissions, which could be set out on the table at home in front of his astonished and delighted family.