We are taught how to grieve when someone passes away. There are rituals, funerals, and a clear-albeit painful-understanding that a life has ended. But how do you mourn someone who is still physically present but psychologically absent, like a parent with severe dementia? How do you grieve a family member who has chosen estrangement, or a partner who simply walked away without a word? This agonizing state of grief without finality is known as ambiguous loss, and it is one of the most isolating psychological experiences a human being can endure. This compassionate and groundbreaking guide sheds light on the unique torment of unresolved grief. The author, an experienced clinical psychologist, explains why our brains struggle so profoundly when denied a definitive ending. You will discover why traditional stages of grief do not apply here, and why the relentless search for "closure" often prolongs the pain rather than curing it. Through deeply moving case studies and evidence-based therapeutic techniques, you will learn how to hold space for the unknown. The book provides a practical framework for rebuilding your life, establishing healthy boundaries, and finding meaning in the gray areas of human relationships. Stop waiting for the final chapter to be written. Learn how to construct your own peace, embrace the duality of absence and presence, and move forward with a whole, resilient heart.