What Makes Love Work in Relationships. Love’s Hidden Symmetry is a book to be read slowly … and then to be read again and again. Here is an opportunity to discover the work of Bert Hellinger, whose generative approach to intervening in family systems has already reached into the hearts and minds of thousands of people. Hellinger shows why disturbances in what he calls the “order of love” can create havoc in the family, often for generations to come.