This week, we're sharing an excerpt from the new book Wired for Love by neuroscientist Stephanie Cacioppo. Cacioppo is one of the world's foremost neuroscientists studying romantic love. In Wired for Love, she tells the story of how she met the foremost scientist of loneliness, how they fell in love, and the tragic story of his death seven years later. Woven in to her personal story are revelatory insights into how and why we fall in love, what makes love last, and how we process love lost—all grounded in cutting-edge findings in brain chemistry and behavioral science.