The dentist gave him a clean cloth. "Dry your tears," he said. The Mayor did. He was trembling. While the dentist washed his hands, he saw the crumbling ceiling and a dusty spider web with spider’s eggs and dead insects. The dentist returned, drying his hands. "Go to bed," he said, "and gargle with salt water." How does this emphasize the main character’s perspective?

The first one can be about you getting all the attention and how your parents love you so much 
the second one can be about how all of your parents attention is on their new baby and how you hate that they don't pay attention to you. also how you hate having to take care of the baby and losing your things to someone younger then you .