[ Molly had, in fact, been staring at the rifle with such intensity that he hadn't even noticed someone coming up next to him until Lan Xichen speaks. Luckily he's nowhere near the trigger as he startles, but the expression very quickly morphs into something pleased. ]

Why, my dashing hero! Have you come to save me again?

[ From what? Who knows. Who cares.

He does sound very knowledgeable, though. An excellent excuse for Molly to sidle closer. ]

You know how these things work then, darling? Will you show me?