Typically when two people disagree, neither makes significant progress in convincing the other, and little or nothing is learned on either side. It's tough to make real-life disagreements productive, but here are my favorite techniques for making it easier to do so. These help more if you are significantly motivated to use the disagreement to deepen mutual understanding of the issue. I'm assuming here that you have control over your own behavior, but not over the other persons, because th...