Answer:
By sympathizing with the young couple.
Explanation:
The whole story is narrated mainly in third person. There are a few times where the narration shifts into first person but the narrator does not seem to be another character in the story and does not expand his view beyond Della's.
How his house changed while he was gone, how some people were not as loyal as he thought they were
I believe that peeta tells katniss that his father knew katniss’s mother.