One of the biggest myths about healthy relationships is that if two people truly love each other, they shouldn't argue very much. I don't believe that. After years of working with couples, I've become convinced that conflict itself isn't usually what damages a relationship. It's what happens inside the conflict that matters. Do you feel heard? Do you feel respected? Can you be honest without worrying that your words will be dismissed, mocked, or remembered only to be used against you during...