One of the last things I did in 2021 was read Chris Voss's [https://en.wikipedia.org/wiki/Christopher_Voss] excellent book, Never Split The Difference [https://www.amazon.com/Never-Split-Difference-Negotiating-Depended-ebook/dp/B014DUR7L2] . The book left such an impression that I decided I needed to take notes and to share