When parting from any kind of relationship, while it’s freeing to be able to say what you feel and have it all out in the open, there’s no need to go back and rehash “but you said this,” or “you promised that.”  All that becomes irrelevant in the moment that either thinks, “This is no longer my destination.”  Continuing beyond that point is a disservice to both parties.  Now it’s time to move on to the better feeling thought.   Personally, I never long to be with someone who doesn’t want to be with me.