others have offered you so many helpful words already. I at least want to offer you these - I can understand how hard it is and how much it hurts.....attachment has value and yet it does hurt, too. My T has talked about being 'attach-worthy' and she is, but yet there are all these boundaries (and I understand why) and sometimes the whole relationship can feel so contrary and conflicting - like a push-pull thing.
You have suffered a real loss, and do have a right to grieve it. I wish you peace.