John Hamilton, NPR's murine romance expert, dives into the intriguing world of prairie voles, known for their lifelong partnerships. He discusses how scientists used these cuddly rodents to unravel the mysteries of oxytocin in love. However, recent studies reveal that this 'love hormone' might not be the sole architect of emotional bonds. Hamilton explores the broader biological landscape of love, revealing the unexpected complexity behind our instincts for connection and attachment, and how these insights could reshape our understanding of human relationships.