Very true, but... he's not exactly looking too hard. He's just assuming here. He was already on edge before this conversation started. He could have tried one of his stories, or made something up, but... now it's too late.

Now he's fumbling backward for the sword again, like a giant, bladed security blanket.

"That's so messed up. Can you even hear yourself right now?" he asks, trying to put more confident sneering into the words than he actually feels. "Is that supposed to scare me or what?"