A difficult book to read

If you can, please don't sell your grief, true grief is indescribable and hidden deep in your heart. Parents don't know how to cherish when they are there, they are gone, what is the use of this?

Brothers and sisters, usually work hard to live, have something to help each other, tolerate each other, usually try to do their own things, do not add trouble to the family, in addition to blood relations, there is also family affection, who does something for whom, because each other are their own family, and why say who owes whom.