If you interview people or friends who work with me, they would say I'm private or internal or don't emote a lot. Yet I do it every day for 10 million people. I just don't do it for the 30 people I'm in the room with.
“A musician cannot move others unless he too is moved. He must of necessity feel all of the affects that he hopes to arouse in his audience, for the revealing of his own humour will stimulate a like humour in the listener.”