Final answer:
People who have a personality disorder display rigid patterns of behavior that make it difficult for them to get along with others.
Step-by-step explanation:
A personality disorder is an enduring and inflexible pattern of behavior that leads to significant distress or impairment. People with personality disorders display rigid patterns of behavior that make it difficult for them to get along with others. They may have trouble forming and maintaining relationships and have difficulty adapting to different situations.