Duv smile is thin and lacks any mirth. He's been through enough conversations with Barrayarans about his heritage to know when to engage and surrounded by people still suspicious of him is not the time nor place.

"I doubt many listen to the opinions of a drunk," he replies mildly. That was the perk to Byerly's persona. He could be unassuming and flit in and out of Vor company. "If you're trying to rile me up, Vorrutyer, you'll have to try harder. Now if you'll excuse me." He's heard enough and is ready to move on.