Modern contract law scholarship embraces a particularly strange contradiction. On one hand, most legal scholars accept the core insight of what is called relational contract theory: most commercial contracts involve repeat players who seek to maximize wealth while still maintaining cooperative relationships. On the other hand, many of these same contract scholars believe that there is nothing contract law could or should do about it. They contend that contract law and legal theory are better off ignoring this insight, rather than trying to respond to it. . . . . This Article brings these disparate lines of contract scholarship together by introducing new information that could dramatically change how legal scholars make sense of relational...