He points at her seriously, looks at her straight in the eyes, and says with conviction, "Fuck that guy."

He's not exactly the patron saint of manors and good etiquette, but even he knows that's not the kind of shit you say to anyone, especially not to her. She lost her fuckin' kid for god's sake, and even though it's never happened to him (in storybrooke), he still has this feeling deep in him like he can relate. He's maybe a little overly protective, overly defensive as a result.

"Next time he comes in here, you can tell him to shove it straight up his ass. Better yet, call me and I'll slit his fucking tires, okay?"