CAKE is a 'How to look for, get, and stay in your relationship' book. CAKE is written in four sections: Challenge, Action, Knowledge, and Empathy. The Challenge section examines how an individual goes shopping for the right ingredients. Action blends those ingredients. The Knowledge section describes couples that toil in relationship mediocrity, but know it can be better. CAKE concludes with a seven-chapter section on Empathy. The most enduring relationships have reached reciprocal empathy: the capacity to achieve 'oneness' in a long-term relationshipA3/4the icing on the CAKE. You can have...