While preparing for a "Elite Negotiator" workshop some time ago, I asked John E Pepper Jr., the former CEO, Chairman of the Board and President of Procter & Gamble, who orchestrated several multi-billion dollars acquisitions what would be, in his opinion, the most important characteristics of the best long-term business relationships.By the way, John's life-long belief (which I share wholeheartedly) is that "Life is all abot relationships", and that people do business with people, not companies with companies! This you will feel "perspiring" from his ideas below.His reply came fast, as always. He said that, from his experience, there are 4 characteristics which will signal that you are on track…