SB,
Hard to tell from here. But maybe H was afraid of what you might say. He may still think you don't trust him. He really betrayed your trust big time, and he understands the significance of that. It won't be earned easily. He was afraid I think - afraid of how many times you will forgive him for what he has done. That is also a cause for the depression/panic. He is ashamed and afraid of losing you.

IMHO...not that I am the expert. But I know how I've seen my H act, and I'm starting to see patterns.

Me 47
Ex H 46
Bomb 9/02
D final 3/04
Ex H now married to OW

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This is surviving. There is no such thing as a normal life, there's just life. So get on with it and enjoy it!