Well, crack in the armor is perhaps the wrong phrase. I think that letter is the first moment she actually thinks it might work. So it's more like the crack in her intellectual armor. The concern for his safety is earlier but more instinctual. And oh yes, the instant recognition of his beautiful hands... *SIGH*

I did forget about the scene in the restaurant over the nasty letter, though. That is part lovely and part hilarious. "Okay, I'm leaving then." "UM WAIT I know I said leave, but..."