Personally, I think people who are on the defensive like that have something to hide.
When my H came clean and wanted to work on things he became 100% transparent and has remained that way. He has never asked me to destroy communications to do with the A and he was 100% helpful....in no way aggressive.
If you H wants to work on you and your M then why should he care what happens to the therapist? It's you he should be worried about. If he and the therapist did nothing wrong then why hide any of it and not discuss it?
Saffie me 46 H 46 M in 1986 D20,D18,S16,D13 H's A 01/05 to 07/06 H recommitted to M 07/06 renewed vows 09/06 Going from strength to strength