But couples who learn how to argue successfully actually have better relationships. Be positive, not negative. The partners discuss the details of their disagreement. The couple negotiates until they can agree. Sometimes all they can agree on is that they disagree.
Negotiation includes give and take.
Then there is no give and take. Finally, admitting that you may be wrong can go a long way toward resolution of the argument. You will be less likely to argue, and when you do it will be friendlier and you will survive them. Drink plenty of water. Limit regular salad dressing use to one tablespoon a day.