Originally Posted by Phy
He is outraged and sweeps across every thinkable field remotely connected to the topic at hand that comes to mind.
And likely somethings that aren't related. OK, were out of bullets, lets pull out the hand grenades, then the homemade bombs, when all else fails reach for rocks...
SPEAKING FROM EXPERIENCE HERE
The first and foremost thing I would address is the need for him stay on topic during an argument. What help will he accept from you (what can you do to get him back on target without making things worse)? He can pause and write down, anything that surfaces that's NOT immediately related to bring up later. Most of the time, the stuff that surfaces, is just a way of playing dirty and is not really an issue, until it seems useful as ammunition. Believe it or not, staying on topic will help diffuse some of the anger that builds up as well.