Some wonderfully informational sites –
http://www.goaskalice.columbia.edu/ – The mission of Go Ask Alice! is to provide factual, in-depth, straight-forward, and nonjudgmental information to assist readers’ decision-making about their physical, sexual, emotional, and spiritual health.
http://www.afraidtoask.com/ – afraidtoask.com offers in-depth information and graphic photographs that will give you a better understanding of highly personal health issues.
Spent many a moment surfing these side by side with my love, being amused, informed, and grossed out… sometimes in the same entries. Some adult situations, so ask your mommy first.