I tend to discourage people from calling me 'Sir Ian,' because I don't like being separated out from the rest of the population. Of course, it can be useful if you're writing an official letter, like trying to get a visa or something passed through Parliament. They're impressed by these things.
When we'd suggested doing it, the Theatre Royal management had said, 'Nobody wants to see Waiting for Godot.' As it happened, every single ticket was booked for every single performance, and this confirmation that our judgment was right was sweet. Audiences came to us from all over the world. It was amazing.