Adrian wasn't the brightest, but he was pretty fluent in reading body language. The best tactic would be to simply agree and bow out of the room, begging perhaps some errand. His eyes dropped to his wine glass, over to Mafalda, then to Rodolphus, and finally back to his wine glass.
"My Lord, I believe we can all benefit from your wisdom and teachings in any matter."
Alright, it was lame, but respectful nonetheless. He bowed his head slightly and considered his wine glass once more.