How do emotions affect decision making? How did the emotions of the princess and the father affect other characters in the story?

Which line from beethoven's moonlight sonata is not an example of the author's use of descriptive language to achieve this purpose.

"this year she had the extra joy of showing it to her small brother, and of terrifying him as well as herself. when they had done this many times they came back to the house to tell everybody that they had done it. he boasted. she mocked. they squabbled." how does julia feel about her little brother? does she love him? hate him? find him an annoyance? be sure you read what is implied by their reactions to each other.

In what critical way is the protagonist dynamic in "there's a man in the habit of hitting me on the head with an umbrella"?