The big O — so exquisite, so sought after, so powerful, or so soon, so elusive, so disappointing. It is so much and yet we really know so little about it. We've had to discover the world of sex and orgasm on our own — each of us an intrepid explorer without much of a map. Bound by instinct, hormones, peer pressure, and the deep desire to please and be pleased, we seek to discover the how-tos of the great, soul-fulfilling orgasm.