Ask anyone to name a sex book and The Kama Sutra will inevitably be in their top five. The irony of the original Kama Sutra is if you've read it cover to cover, which I have, it's an incredibly dull and tedious book.
While dating, you probably hung on his every word while he talked about those things that interested him. It was part of your charm and why he found you so darn attractive.
Bringing that when-you-first-met-magic back to life can be as simple as taking an interest in him. (It's sad that we lost interest in the first place, but that's neither here nor there.)
A lack of sexual desire--the thoughts you have around sex--is the number one reason couples in North America stop having sex.
What that means for you is: if you have negative thoughts towards sex before, during and after the sexual encounter, it will profoundly dampen your desire to have sex.
I call it the 'Oh crap' phenomenon—“Oh crap, do I have to have sex tonight” or “Oh crap, you want sex now! Can’t you see I’m exhausted?”