Whatever you do, don't choose a side. Stay as neutral as possible and if they ask you your opinion, just remind them that they both have good points, but a friendship isn't worth losing over a fight.
Lol...well I speak ho real well
..take your steelers wheel, and keep on ...keeping out of their biz ...
You really can't. There isn't anything you can do till they are ready to make up. Best thing you can do is stay out of the middle of it.