Zimzum is a Hebrew term where God, in order to have a relationship with the world, contracts, creating space for the creation to exist. In marriage, zimzum is the dynamic energy field between two partners, in which each person contracts to allow the other to flourish. Mastering this field, this give and take of energy, is the secret to what makes marriage flourish. Rob and Kristin Bell are brutally honest about their own struggles, their ups and downs, as together they pass along what matters most for couples. In this wise book, they explore the secret of what makes a happy union—probing the mystery at the heart of the extraordinary emotional connection that binds two people. With his down-to-earth charm, a dose of whimsy, and memorable stories, Rob, writing with his wife Kristen, changes how we consider marriage, providing insight that can help all of us create satisfying and sacred unions of our own.