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Understanding limerence: More than a crush
Neuroscientist Tom Bellamy was in a happy marriage when he developed an intense, involuntary fixation on a colleague. Though he never acted on it, the experience left him feeling helpless and distressed. He describes it as limerence-a psychological state distinct from ordinary infatuation or love.
The origins of a psychological term
Psychologist Dorothy Tennov coined the term limerence in 1979 after interviewing over 300 people about romantic love. She identified a pattern of involuntary, obsessive longing for another person-what researchers now call the limerent object (LO). Unlike typical attraction, limerence thrives on uncertainty and can persist for 18 months to three years, sometimes longer.
Why limerence feels like an addiction
Bellamy, who later wrote a book about his experience titled Smitten, compares limerence to a natural high. "It feels euphoric at first-your energy spikes, and everything seems brighter," he says. But the euphoria fades, leaving behind an overwhelming sense of loss of control. "Intellectually, I knew there was no good outcome, but emotionally, I couldn't stop."
"Limerence is an altered state of mind. It's addictive because it feeds on uncertainty-the 'glimmer' of hope that the other person might reciprocate."
Tom Bellamy, neuroscientist and author
How limerence differs from love or infatuation
While infatuation is a common, short-lived phase in many relationships (lasting 3-12 months), limerence is far more intense and disruptive. Cognitive-behavioral psychologist Ian Tyndall explains that limerent individuals obsessively analyze every interaction with their LO, often neglecting self-care, work, and other relationships. "They're consumed by rumination-replaying past conversations, dissecting body language, and fixating on every glance or word," he says.
Kathleen Carswell, an assistant professor of psychology at Durham University, notes that while romantic passion involves a desire for emotional intimacy, limerence adds an obsessive, addictive layer. "It operates on the brain's reward system, much like an addiction," she says. However, not all researchers agree. Some argue limerence is entirely separate from love, describing it as inherently negative and impairing.
The dark side: When limerence turns harmful
Though limerence itself isn't classified as a mental health disorder, it can lead to severe distress. Tennov warned that unmanaged limerence might escalate into harmful behaviors, including stalking. However, cyber psychologist Emma Short clarifies that most limerent individuals maintain empathy and boundaries. "Limerence is state-dependent-it's about one person and their emotional experience. Stalking, by contrast, involves projecting feelings onto someone else and often stems from deeper psychopathology," she says.
Can limerence ever lead to a healthy relationship?
For Bellamy, it did-but only with his wife. After confiding in her, their bond deepened into what he calls "proper love," built on mutual respect and care. His limerence for his colleague faded after he cut off contact, a strategy Tennov also recommended. "Without the 'glimmer' of hope, limerence loses its grip," Bellamy explains.
What we still don't know
Research on limerence remains limited. Small study samples make it difficult to estimate how many people experience it, and it's not formally recognized as a treatable condition. Some researchers speculate links to attachment disorders, OCD, ADHD, or PTSD, but evidence is scarce. Tyndall's team developed a limerence questionnaire, completed by over 600 participants, which suggested a weak correlation with anxious attachment styles. However, he emphasizes that limerence is far more debilitating.
Despite gaps in research, interest in limerence is growing. Google Trends data shows a rise in searches since 2020, and online forums are filled with discussions about its impact. For now, experts agree on one thing: awareness is the first step toward managing its overwhelming effects.
