To elaborate on my point about on the nose writing, here's a similar scene from the Stargate episode 'Serpent's Song'.
If you don't tell me where she is. I'll kill you right here.
You have neither the strength nor the will.
Apophis just told Daniel: "You won't kill me. You're too moral." But it was way more interesting than if he had said "You won't kill me. You're too moral."