Yet if you don't understand the physiology of a biological system or process-like female sexual arousal-you can't possibly come up with a way to fix it when things go wrong. No one would have come up with a treatment for diabetes if physiologists hadn't figured out how metabolism, blood sugar, and insulin work.

Bodily fluids and solids are universally the most disgusting things we as human beings can come upon, but as long as they are inside us, it's part of you.

The writing is always the easy part, provided I can get the good material. It's the getting of the good material that's a challenge.

Sexual desire is a state not unlike hunger.

The broader the topic, the easier it is, not only to fill a book, but to set the bar pretty high for really great stuff.

Life contains these things: leakage and wickage and discharge, pus and snot and slime and gleet. We are biology. We are reminded of this at the beginning and the end, at birth and at death. In between we do what we can to forget.

Wisdom comes with age, but keep it to yourself.