He became aware that he was fidgeting something terrible again, and stopped suddenly. It would probably start in again shortly without him noticing, but Orsino liked to control it when he could. It tended to annoy people. His expression was neutral and actually very calm when one compared it to the nervous movement.
So, that was it, then? Penny sounded very rational indeed again, and Orsino was glad for the return to normalcy. Even if it did sound like they'd just solved a difficult equation together rather than discussed the implications of an intoxicated makeout session.
He steepled his fingers under his chin and said, rather lightly, "I think it would be, ah, amenable. Then. 'A' plus 'B' equals 'C', yeah?"