The images that might help to construct that felling of serenity and nostalgia might be "quiet hills","farms" and may be "rural setting". these ideas would give the reader the sensation that the narrator is remembering his past with nostalgia, it is a recall of what he saw, like a childhood memory which he is not able to go back to because he is an adult now. it seems that his memories are pleasant and he remembers with wistfulness.
Answer:
The bravest is someone who decides not to follow along with behavior of a group because they may look down on you and threaten you and do all sort of things but being brave and courageous keeps you going.
Just a hint that<span> </span>round characters<span> are complex and undergo development, sometimes sufficiently to surprise the reader.</span>