<prompt> A 32 year old female starts developing suspicion on her husband of having an affair with his secretory for 2 weeks. Diagnosis is?IllusionDelusionHallucinationDelirium  <response>: Ans is b i.e. Delusion Above is an example of delusion of infidelity morbid jealousy, Othello syndrome i.e. False belief that ones lover has been unfaithful A delusion is false, firm unshakeable belief that is not accepted by other members of patients culture and society. 