The best way to understand Ma's feelings is to put yourself in his shoes and see her perspective.
Ma is comfortable with the move because she knows it will open up many possibilities and hope for her and her family. This is an indirect way of characterizing this character, as it shows her as someone hopeful and calm, who always hopes for the best of things.
More information about indirect characterization at the link:
https://brainly.com/question/887965