Two Classes, Divided by I Do Compared to The Class Castle

In the article, "Two Classes, Divided by 'I Do'" talks about how family structure and marriage affects the lives of their children. Where a family with 2 parents makes more money tends to grow up and be more successful than children raised by single parents.  It also states that children tend to follow their parents footstep not only in education but also.in marriage.  Although DeParle's article separated families into two classes, in The Glass Castle, Walls family cant be categorize by the two classes. Because Rex and Rosemary are married but they don't have the stable job, that can provide the needs of their children