You are driving on a narrow , two lane road with no shoulder , and a bicyclist is riding in the middle of your lane, blocking you. you should

You should slow down to the speed they are going, they have just as much right on that lane as you do.

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.