Counting by 7s

Early in the text, Willow shares that her three obsessions are multiples of seven, gardening, and medical diseases. How does her interest in these topics change over the course of the novel as she processes her grief?

Willow sometimes mentions certain Vietnamese phrases that she, Pattie, or Mai use in conversation. What is significant about the moments in which they speak Vietnamese? What role does language play in the development of Willow's relationship with the Nguyens?

Willow is “highly gifted,” and it is clear that she is an eager learner and a keen observer. How do other characters exhibit their intelligence or skills?