Why does Wang Lung decide to move into the Hwang family’s house in town? What does such a move signify for him?

Wang Lung, knowing his and Ching's age, rents some of his land to other farmers. His peace increases even further when his nephew announces a desire to join an army and head to war in the north. Wang Lung gladly provides the money his nephew asks for. Once the nephew leaves, Wang Lung moves into the House of Hwang. Proud of his new Great House and his growing family, Wang Lung furnishes the place lushly. Also, he begins to eat delicate foods and affect the manner of rich men. Cuckoo compares him to the Old Lord and this pleases him.