I mean, if you're asking a fellow to come out of a room so that you can dismember him with a carving knife, it's absurd to tack a 'sir' on to every sentence. The two things don't go together.
When George asked me to be the prequels, it was the same kind of meeting - it was very short and to the point. It was nice to see him after a long time, and we met in a hotel room.