The author shows this by having Eugenie roberts in the story, Being a role model for the narrator and her sister who are trying so hard to be like any other girl there age that is living the american dream just like they want to.
Another way the author conveys the theme by the narrators actions, the narrator stands out in the rain just because she was embarrassed to admit that their mother is working and late picking them up. You can see this because she says “she will be here shortly” several times and she doesn’t