Exactly what joe said. You aren’t doing the feeling. You are avoiding the feelings. You don’t let yourself let go and feel the 5 stages grief. You are stuck in a cycle of awful feelings. You can have to stop all feelings. You have to work through then instead of staying where you are. You stopping feelings is not the answer. You need to let you logical mind chime in and help you deal with your feelings.
Take small steps. The first is stop engaging with her at all. Unless it’s logistics abou kids. Other than that. Cut the conversation. . Di e. Your logical mind can step right in there .