Zew, stop worrying about W and what she is doing. I know it is hard, but it is not helping you to detach. I am really hung up on the benefits of detaching because it took me from an emotional wrecking ball to a calm and peaceful state of mind. I wish I could share that calmness I have with others right now. Since I cannot I can only stress the importance of detaching. That means quit worrying about her money, quit worrying about her job, quit worrying about her friends/family. None of that should exist in your world right now. The only thing which should exist is you, and what you are doing for yourself. If/when she approaches you or makes contact, you can allow her into your world for a brief moment. Be polite, be happy and upbeat. But be brief. Your world is a fast moving place and you are extremely busy living it. She is just a neighbor knocking on the door for a cup of sugar. Give her the sugar, then close the door and forget she ever came by.