Use the environment to describe the sentences and passages that highlight the character's good mood.

The description of the environment and the side effects were a common writing technique that used the description of the environment to set off the mood or state of the character. Below was a sentence and paragraph that used the description of the environment to highlight the character's good mood: The sky was blue, the sun was shining, and it was quiet. In such weather, the people in the park were full of energy. Some were running, some were walking, and some were playing. They were in a particularly good mood. Night fell and the stars shone. The pedestrians on the street slowed down to enjoy this rare quiet night. They were also exceptionally calm, as if the world had stopped. The room in Room 3 was filled with the faint fragrance of flowers. The master was reading in the study with a smile on his face. He was so happy that it was as if the whole world had stopped for him. In the desert, the sun was high and the sand dunes were towering. However, the protagonist was sitting in a hut in the oasis, enjoying the sunshine and fresh air. His mood was exceptionally relaxed, as if the entire world had stopped for him.