A dysfunctional relationship, its not like I know anything about those, my family for a start.
Sounds like a challenge - also like this person might want to talk some form of forgiveness? I can totally understand your conflict of how to interact. You both might need some time to adjust. I doubt you were both expecting to be in this situation.
hang on your dead? or not anymore come back to life? I might need to get my head around this
I have a fair amount of stories regarding some interesting council meetings, I used to enjoy them when they were productive.