Answer:
This condition is called Erotomanic delusion.
Step-by-step explanation:
Delusional disorders is a type of serious mental illness in which an individual cannot differentiate between what is real from what is imagined. Delusions are the primary symptoms of delusional disorders. Persons suffering from this have unshakable beliefs in something that isn’t true or based on reality, like being followed, poisoned, deceived, conspired against, or loved from a distance. There are several types of delusion, based on the theme delusional disorder including but not limited to the following
i. Erotomanic delusion: This person believes someone is in love with them and often make attempts to contact the person. It often results in stalking the individual.
ii. Grandiose: This person has an over-inflated sense of worth, power, knowledge, or identity.
iii. Jealous: This person believes their spouse or sexual partner is unfaithful.