The Diagnostic and Statistical Manual of Mental Disorders (DSM) defines six subtypes of the disorder characterized as erotomanic (believes that someone is in love with him or her), grandiose (believes that s/he is the greatest, strongest, fastest, richest, and/or most intelligent person ever), jealous (believes that the love partner is cheating on him/her), persecutory (delusions that the person or someone to whom the person is close is being malevolently treated in some way), somatic (believes that he/she has a disease or medical condition), and mixed, i.e., having features of more than one subtype.