Gonadal hormones like testosterone and estrogen play a major role in activating and maintaining libido (sexual desire) in both men and women. The influence of these hormones changes with age, and central (brain) factors become more important over time.
It is well known that the clitoris is one of the most sensitive points on the female body. It is the most powerful female erogenous zone. It has 8,000 nerve endings, making it an inexhaustible source of pleasure.