How does Don Quixote's perception of reality affact other characters' perceptions of the world?

Don Quixote's perception of reality as distorted by his chivalric notions influences other characters by either entertaining or frustrating them depending on how they react to his actions. Some characters indulge Don Quixote's fantasies, playing along with his delusions, while others try to intervene or correct his perception of reality, which leads to conflicts and misunderstandings throughout the story.