If its been a while since your man asked you, "Where did you learn that?" try this book by Dan Anderson and Maggie Berman
Enter Dan Anderson and Maggie Berman whose biologically determined friendship transcends the battle of the sexes, freeing them to dish and compare notes. Their guide to male pleasure, Sex Tips for Straight Women from a Gay Man, is the culmination of their intensive lifelong survey on the subject. Two fearless and dedicated scholars, Dan and Maggie bucked the system, at times even descending into the trenches themselves. Now the wisdom gained from years of devoted scholarship can finally be divulged to the heterosexual public. So, if you hunger to be the most dazzling lover on the planet, this book will give you the inside track on how to drive your man to new heights of ecstasy.