What is the key difference between male and female sexuality?

men want sex to feel close but women need to feel close to want sex

Men tend to be cocky, women tend to be cunts.... this is a sarcasm post

one has an inny, one has an outy. one is lumpier than the other.

On a more serious note female sexuality tends to be slightly more maluable than males on average. EG. more bi women than men.

Men seem more driven by their sexual urges. For women, sexual experience includes the possibility of gestation and childbirth plus a new helpless human being to nurture and care for; that is the intensity of feeling for women while for men it's a much simpler experience.

Men often act based on thoughts generated in the now, the moment.

Women on the other hand forecast when I comes to thought. They calculate and predetermine the results. Hence, why they always win an argument with a man.

A combination of parts and psychology. There are no specific differences to be noted otherwise. There is no "key" difference.