Four Relationship Mistakes Everyone Makes 

very true. If you have made a mistake, say * I am sorry *, apologiz and correct your mistake. After that your relationship will be better! But denying every wrongdoing, reversing the blame, looking for counterarguments no matter how ridiculous, will make it worse. Many people dont understand this.

Thanks

He's describing one of Dr. John Gottman's concepts known as "The Four Horsemen of the Apocalypse." Gottman has since added a fifth one: Belligerence.