A person absolutely convinced, against all evidence, that his or her spouse is having an affair is

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Quizplus · Accepted Answer

A person who is convinced that his or her spouse is having an affair, even without any evidence, is exhibiting a jealous type delusion. This delusion is characterized by a strong conviction that a partner is being unfaithful, despite the absence of any factual evidence. This can lead to significant distress and impairment in social and occupational functioning. It is not necessarily indicative of a possessive personality or paranoid schizophrenia, and it is not an erotomanic type delusion since it does not involve a false belief that someone is in love with the individual exhibiting the delusion.

A Person Absolutely Convinced, Against All Evidence, That His or Her