The psychologist who is fighting my corner for me to get a proper closure sorted wrote this email to me just now:
He is abandoning his responsibility for ending with you properly if he is not in coma or dead - at least once he has had a period to recover from his own distress (which I appreciate is much less than yours) – but he has written off the possibility of that in the 'final' letter in the heat of his own stuff – hence my proposal to force a rethink and a better path forwards for you and ultimately him too