"Um," says Feuilly helpfully. It might be at the faintly embarrassed expression, or at his own startled reaction, or just at the question of Lesgle.

Let's go with that one! "Um. He's--he really is a good man. And very brave at the barricade--in our battle. --He really is a friend of mine, I'd trust him with my life. But he has a joke for everything." And yes, that can rub a person the wrong way, for sure.

...and Lesgle probably had no reason to rein in his sarcasms for the sake of one Harry Percy. Oh, dear.