Anonymous wrote:Son does not just get to say "no" if you've developed a close relationship with this woman over five years. She is now your friend if you both want to keep in touch. Try to talk or get together when he's not around but don't make it a secret and don't inform on your son, to her, or vice versa.
I agree with this, although it would also depend on why they broke up. In my family's case, my brother cheated on his girlfriend of 10 years, dumped her, and it also became apparent that he had mental health issues. My mom and his ex stayed friendly, because they had been friends for almost a decade.
My mom does not discuss with my brother that she occasionally has lunch with his ex. She does not discuss my brother's life with his ex.