Many people have sexual fantasies with their partners and they enjoy having them. However researchers say though it is not bad having sexual fantasies, even they come with some negative effects.

According to experts, there is increase in psychopathic sexual behavior in people who have sexual fantasies. People with sexual fantasies are quite normal and healthy but people with high psychopathic sexual behavior suffer with their romantic relationship not in normal self.

Dr.Beth A Visser from the Trent University , Ottawa in Canada conducted two sturies on 195 men and women and 355 Canadian under graduate studetns to determine psychopatic traits and content of sexual fantasy.The research paper is publisjhed in the Journal of Personality.