You know, once something freezes, it's solid. That's the key to the arctic - they didn't fear the cold, they made use of it.
I have to concentrate more intently when people speak. I always have to position myself on their right side so that I can hear out of my left ear. I sometimes get a crick in my neck from listening. But I don't there's too much else.
Filming is so much to do with rhythm, as is music, and if it isn't there then you know in the end nobody can save it really, they can't.