Having no one to look after them in their old age was indeed a concern for both Zhou's father and mother.
They did have siblings, but have not maintained contact due to their siblings expecting them to adopt and raise their sons. Those with urban household registration wanted them to raise their children to save money, while those without such registration hoped they could transform their children into city dwellers, enjoying government-subsidized grain.
Zhou's father and mother disagreed. Although they were honest and submissive, they knew that one doesn't sacrifice their own for others. Would they give up taking care of their own daughter to raise a nephew? Impossible.
Hearing Wang Cuilan's words, a thought stirred in Zhou's mother's heart.