Negotiating in the classic diplomatic sense assumes parties more anxious to agree than to disagree.
The way in which mathematicians and physicists and historians talk is quite different, and what a physicist means by physical intuition and what a mathematician means by beauty or elegance are things worth thinking about.
I write in the morning from about eight till noon, and sometimes again a bit in the afternoon. In the morning I start off by going over what I had done the previous day, which my wife has happily typed up for me.

