It certainly is :) love your outlook!
If rowlandson's are talking about their selves then that means it is first person point of view
The sentence that supports the theme "love can change a person" is "Jimmy Valentine looked into her eyes, forgot what he was, and became another man. " In this sentence is demonstrated that he fell in love with a woman the moment he saw her and suddenly became another person, later he actually chanched its own name so, from that moment, he remarked that he would leave everything about his passed life behind, and will start over. He also seemed interested in started a new business so he would earn money honestly.
One unique setting is when the Pullman's are in the auditorium to celebrate Auggie graduating. Because he wins a medal, the whole family goes crazy and Auggie feels more confident in himself and the whole fmily is SUPER proud of him.