An orgasm is psysiologically ( According to The Naked Ape ) nature's way of keeping us having sex. It is the enjoyment factor not the simple breeding which makes it so frequent. It goes on to explain that in general men have orgasms faster to increase chances of pregnancy: e.g. A man might perform coitus with a female two or more times before she has an orgasm, thus making it more likely to impregnate her.

Fortunatly, tantric methods can help us overcome, as it were