In my experience, if one partner has "checked out" of contributing to the quality of the marriage, the marriage is for all intents and purposes over. With me it took about 2 years to go from my ex checking out emotionally to HER finally asking for a divorce (I was the bleary-eyed dreamer who kept thinking we could make it work; she went to counselling but insisted that it was my job to fix everything and that she had no responsibility to contribute to the success of our marriage).

Hope it hasn't come to this in your case, GFOR. Good luck.

ALex