"Only Love Is Real" is a book by Brian Weiss, a psychiatrist known for his work in past-life regression therapy. The book explores the concept of love transcending time and space, emphasizing that true connections between souls endure beyond physical existence. It combines elements of spirituality and psychology, illustrating how love can guide individuals through their life journeys. In the narrative, Weiss shares stories of his patients who experience profound connections with others, suggesting that these relationships are rooted in past lives. The book encourages readers to recognize the power of love in their lives and to understand that it can lead to healing and personal growth.