Classic - The oral generation part 3

For the first time, human sex was treated by responsible scientists like any other physical activity of the body.

Detailed analysis was made of the most efficient and successful means of sexual stimulation,

and, armed with this newly discovered knowledge of how to make sex a fully rewarding and fulfilling experience,

today's woman will no longer be timid or feel any restraint in actively and eagerly satisfying her partner.

Sometimes I find I can't make Frank have an orgasm using my mouth alone.