Finally, I wanted to mention that my wife indicated that one thing she is doing to "make herself more willing" is reading "Sacred Pleasure."
Just looking at it on Amazon...doesn't seem too promising. Tell her maybe you'll read Sacred Pleasure and Mating in Captivity if she'd like to discuss the differences and commonalities in both books with you.
Stop WaitingFeel EverythingLove AchinglyGive ImpeccablyLet Go