Break up with her if you are able to. I'm in the same situation but without taking a little break from our relationship. I'm too much of a pussy to break up with him. I have a hard time at talking about my feelings. We have been together for 5 years and the first two years were amazing. He always had a lower libido but I thought nothing of it. I was wrong. The frequency of sex degraded from once every day to once every year. We didn't have sex since January and the worst thing is, I don't even desire him anymore because he never initiated sex anyways. Around March we had a talk about our relationship and where it's going and his only reasoning was that we were together for so long, it would be a waste. Great. I would have left already if I didn't love my apartment, and wasn't worried about the fate of our dog. I hate my life so much.