The problem is Duke isn't terribly used to that 'gathering of friends' thing yet. It had been mostly Elucifur and him, occasionally with Khroma. The formal thing, he might manage to remember how to act. This? Confusion.

Duke tilts his head up toward Vanyel, blinking once. "...You do not..." Need to do that for him. He can pick through things and remember where what he likes is. "... I generally like all fruits..." He shifts awkwardly. "... I will get myself tea."