Answer:
reference
Step-by-step explanation:
Many people prefer to believe that people around them think more of them than they do. They tend to believe that they are more important than fact shows is normal. Ideas of Reference are variants on this action, which arise when a person assumes that it is related to them when it isn't. Extending these unrealistic ideas, the delusions of reference may lead patients to alter their actions dramatically because of this misunderstanding. As per question, Dean tends to think that people around him talk about him which is an example of delusions of reference.