The manners that apply specifically during courtship come to be replaced over the course of marriage by a different set of manners, embodying the residual pettiness, complaining, and faultfinding of childhood.
Cognitive therapy seeks to alleviate psychological stresses by correcting faulty conceptions and self-signals. By correcting erroneous beliefs we can lower excessive reactions.
The stronger person is not the one making the most noise but the one who can quietly direct the conversation toward defining and solving problems.
Stop it, and give yourself a chance.
Egocentricity is a problem, however, when it becomes exaggerated and is not balanced by such social traits as love, empathy, and altruism, the capacity for which is probably also represented in our genome. Interestingly, very few of us think to look for egocentricity in ourselves, although we are dazzled by it in others.
The cost of survival of the lineage may be a lifetime of discomfort.