Question About Sexual Drive........Menopause?

I have been through several failed relationships with males (and have always been atrracted to women but never had acted on them until the last year and a half) I am now in a live in relationship with a woman...pretty, fun. hard working etc etc etc....and 16 years younger than me......when we meant I had not had sex in over 2 years and was going through menopause....we have had sex only a few times since the start of our relationship, I have no drive, but find her beautiful in every way.....I am more into the companionship, sharing, experiencing things together....she is very sexually driven.....so the question, could this relationship last long term...or am I being unrealistic.....