About 20 years here and wife is finally moving out in a week. Then divorce that I've been waiting for for many years now. (in a nutshell, in this state you have to live separately for 12 months before you can do it) So... the past 3 - 4 yrs she's lived in my place, but we have not been "together" we are not romantically involved nor have any desire to be. previous to that was a rocky marriage, suspected cheating on her part and extreme jealousy again on her part though I've always been faithful. even being not together I don't date yet or pursue other women yet.

That being said, I know that even as bad as it was, over 20 or so years, it has been the norm, so I am facing the similar thing you are. Not sure it will be loneliness I deal with but the void that will be there of her presence, even as much of a thorn in my side as she has been for so long. That thorn had become part of my daily expectations and so that being gone it, it will be a challenge.

If your marriage was a problematic relationship for a long time, no matter what it feels like it's a good thing. focus on yourself, your newfound freedom and do what you want with your life for once! Won't be easy, but you can move on.