Gregor's feelings about his job as a traveling salesman are made clear very early in Part I of the story.
Even though Gregor despises his job, he continues to work because his parents owe Gregor's boss money. He plans to quit the miserable job when he has saved enough money to pay his parents' debt--in five or six years.
Paragraph blocks are especially useful in problem-and-solution essays because they allow a writer to explain a problem at length and identify components to a solution.
