There's this booke that Wilma told me about called "Passionate Marriage" by David Scnarch. What your'r describing is called a "2 step delima(sp)". You want sex w intimacy; she doesn't.
It's a good read.
There was a time in my life when I suffered from low libido. I went to the doc for 1 thing and, although that tested negative, turned out I was hypo-thyroid. Eight months after starting meds, my libido came back on line.