"What?" He looks startled. "No, I'm-- not, no."

That makes sense, of course, for a knight to die in a war. But it's still a disconcerting thought.

And now that Feuilly asked a difficult question, Harry feels like he has to at least try.

"Um, what, um-- do, uh-- you and me, uh, what--"

...it's really awkward to have to actually articulate this for the first time in this context.