[It's making his skin crawl a bit listening to this and that isn't helping him stay as calm as he wants to be, so his tone begins to edge into snappish as he response.]

And so although you trust his judgement, in that what you were planning to do was both wrong and not the best course of action, you still decided to go through with it. Why should I--or anyone else--believe you won't do the same thing next time?

[And, by extension, that she's learned anything from this experience.]