Questions about quinceañera text

At first we can see that she feels sad and a little bit angry about her party because she wanted a party as her sister had , but her father lost his job, so, she didn´t have it , she only wanted one thing for birthday, a phone ,but as her father lost his job, she didn´t get it too, instead she received  a recipe book that came from family inheritance, after her grandma explained her more about the recipe book reason and where this came from, she changed her attitude, passing from indifference to curiosity
When she changed her attitude about the gift that she wanted, we can see that the most valuable gift it´s not the most expensive, the best gift it´s so simple as a recipe book