At which stage of the family life cycle do parents become empty nesters and have time to focus on one another?

The stage of launching adult children begins when your first child leaves home and ends with the "empty nest."

A. they give the reader hope. if the whole book was dark & unhopeful it’d be a little less interesting, little moments make it more interesting to read because then you want to know what happens. if it’s all dark there’s no point in reading if you already know the outcome of it.