'When casein is denatured, it becomes da-Sein The thin film on milk when you warm it up, when the hot liquid congeals against the cold air and it goes solid, to protect itself, and you pinch it up and put it on the side of the cup's lip away from your mouth, so you can drink the milk, not chew it. It might call itself protein, and protein is good for you, but you still don't want it in your mouth.' (Publication abstract)