Well. It wasn't an idea he was seriously considering anyway.

(He does watch - Tony's lips on the glass and his throat working as he swallows - with an idle lack of discretion he has never been able to indulge at home.)

His attention is grabbed by that last, though, eyes moving back up to meet Tony's and eyebrows arching incredulously.

He probably doesn't even need to ask what he's thinking: Are all his doubles idiots?