Also, from a technical point of view, as you're standing in front of a microphone all day, it's quite a good idea that I should play a laid back sort of character because if he was too frenetic, I'd be exhausted by lunch!
I think the intelligent thing about it is that you have to carefully listen to it all to grasp it, and because I'm not in every scene - colossal disappointment to everybody that it may be - I'm not getting the full picture here today while recording it.
He has all those different aspects to him, so I can more or less decide as a performer how I'm going to deliver a line in a particular scene, or play a particular scene in total.