If you end up D, then no, you probably won't be friends, because your friends don't treat you this way. But even then you have a decision to make. You can learn forgiveness, move on, passively not be friends without being a butt-wad, and focus on your life. Or, you can dwell on it, actively be enemies, hold a grudge and let her sap your happiness forever.
Here's the neat thing. Right now, while you are in the thick of it, you have exactly the same decision to make. You can be the best you, get on with your life, and passively not be friends, without being a butt-wad. You leave the door open for that miracle to happen. Alternatively, you can be a cold jerk, angry because of all the inconsiderate pain she caused you, blah, blah, blah, this gets me no satisfaction and no relief and she doesn't give a crap, blah, blah, baggage, etc.
The point being: Up until (if ever) there is a change in your W, the best course of action for you is the same, now, through S, and D and afterward.
I swear, this whole thing gets so much easier once you accept that the best thing you can do is to become the best you that you can sustainably be, learn to be happy with that self, and start moving your life in the direction you want it to go.
Your W will either get on board or not, using the same free will she used to get herself into the situation she is in. And based on those actions, and pretty much those actions only, you'll be able to decide whether or not you want to be friends. In the mean time, worrying about being friends, or W's remorse, or your pain endured, while interesting to ponder momentarily, really just delays your progress. Don't let it prevent you from executing your plan.
