Implicit theories have powerful consequences because they affect, among other things, how couples argue, and even the very purpose of an argument. If a couple is arguing from the premise that each is a good person who did something wrong but fixable, or who did something blunder-headed because of momentary situational pressures, there is hope of correction and compromise. But, once again, unhappy couples invert this premise. Because each partner is expert at self-justification, each blames the other’s unwillingness to change on personality flaws but excuses his or her own unwillingness to
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