I thought this scientific study was very interesting to read.
The Science of Cougar Sex: Why Older Women Lust
I had a friend who was very interested in specializing in intimacy therapy for couples in the middle east, because its such an under specialized medical specialty in that region. But then she didn't which was a shame because this is a very embarrassing topic to most, and it would have been nice to have the option of counseling in a safe professional medical setting to women by a woman. Under the umbrella of middle eastern culture understanding.