Neuroscientist Tom Bellamy explores the condition in Smitten: Romantic Obsession, the Neuroscience of Limerence and How to Make Love Last . The book, published in April, offers a roadmap for those looking to overcome infatuation and foster healthy romantic relationships. “Limerence is a state that many of us go into in the early stages of love: a profound romantic infatuation with another person,” Bellamy says. Neuroscientist Tom Bellamy is the author of Smitten: Romantic Obsession, the Neuroscience of Limerence and How to Make Love Last. I hadn’t had much interest in limerence until I developed limerence when I didn’t want to, when I was happily married.