Sal grows a lot during the journey because he learns family values and the importance of trusting each other.
Sal's grandparents know she will be happy to visit her mother and they cherish her happiness. This shows Sal that one of the greatest family values is empathy and solidarity among family members.
During the trip, Sal's grandmother becomes very ill and will need to stay in the hospital. Sal's grandfather won't be able to continue with the trip either, but they trust that she can do it alone, and even worried, they give her the car keys so she can visit her mother.
This shows that trust is essential to maintaining a happy and well-structured family. Sal learns a lot from her grandparents and it makes her grow.
More information about family values at the link:
https://brainly.com/question/8422219
