His book, and much more, is available in hard copy or download on his main web site . Narcissists abhor and dread getting emotionally intimate and they regard sex as a maintenance chore, something they have to do in order to keep their source of secondary supply. They will refrain from having sex with them, tease them and then leave them, resist flirtatious and seductive behaviours and so on. But this is not out of loyalty and fidelity in the empathic and loving sense. BUT This pertains ONLY to cerebral narcissists.
Narcissists are misogynists.
The woman's chores are to accumulate past NS and release it in an orderly manner, so as to regulate the fluctuating flow of primary supply. Otherwise, cerebral narcissists are not interested in women. They hold women in contempt and abhor the thought of being really intimate with them. Usually, they choose submissive women, well below their level, to perform these functions. Hence the abuse.