A sex or erotic fantasy is a mental activity that often combines a person's sexuality and desires to create an enhanced state of sexual excitement. They are those dreams that cannot be realistically achieved. A sexual fantasy is created using memory or imagination of a person. It can be motivated by an external influence or stimulant such as erotic pornography literature person or object. Sexual arousal can also give rise to fantasies. There are two types of sexual fantasies: Personal and impersonal. Personal fantasy is when a person sees himself in that situation and impersonal is when he sees himself