How do Chi-hon and her younger sister view one another? How does So-nyo view their similarities and differences? Why?

Compare Eun-gyu Lee and So-nyo’s husband. How does each treat So-nyo? What happens to each man once So-nyo disappears? Why?

Why does So-nyo conceal and minimize her health problems? Consider what it would mean for her to admit the degree of her illness, and how her family members would react to her honesty.