There is a particular state that visits humans and pretends to be love. Dorothy Tennov named it limerence in 1979 after interviewing hundreds of people who described the same involuntary symptoms: intrusive thoughts about one specific person, acute longing for reciprocation, mood swings calibrated to the smallest signals from the limerent object, and a strange immunity to evidence that the person is not who you have decided they are. Tennov found that the state could last from a few months to several years, and that the people inside it almost universally believed they were experiencing the truest love of their lives. They were not lying. They were neurochemically convinced.
The chemistry is now reasonably well mapped. Helen Fisher's fMRI work on people in the early throes of romantic obsession shows activation in the ventral tegmental area and the caudate nucleus, regions associated with reward, motivation, and the dopaminergic systems that also light up in cocaine users. Donatella Marazziti's work in Pisa added another layer: serotonin levels in early-stage romantic love drop to levels seen in people with obsessive-compulsive disorder. Your brain is not behaving like a brain in love. It is behaving like a brain compromised by a high-reward, low-serotonin compulsion. The thoughts loop because the chemistry loops them.
The cruelty of limerence is that it feels like knowing. You feel certain about this person. You feel that you have seen them clearly, that something has been revealed, that the universe has finally explained itself. None of this is information. It is the felt sense of a dopamine surge attaching itself to a face. The person you are limerent for is doing very little of the work; your nervous system is doing nearly all of it. This is why limerence can attach to people you barely know, people who treat you badly, people who are unavailable, and people you would not have chosen with any other faculty.
What humility looks like inside limerence is the willingness to say: my certainty is a symptom. It is not evidence. The person I cannot stop thinking about is partly a real person and partly a screen onto which my reward system is projecting an unbearable amount of meaning. The intrusive thoughts are not signs that we are meant for each other. They are signs that a particular neural circuit has been engaged and is running. The longing is not proof of love; it is proof of longing.
This matters because limerence routinely sabotages people's actual lives. It convinces them to leave good partners, to wait years for someone who will never reciprocate, to mistake an addiction for a destiny, to write off the ordinary, durable affection of real relationships as inadequate because it does not produce the same dopaminergic fireworks. Tennov found that limerence, by its nature, cannot survive reciprocation indefinitely. The state is fueled by uncertainty. The moment the other person becomes reliably available, the chemistry begins to subside, and either something else takes its place — what Fisher calls attachment — or the limerent person discovers, often with horror, that there was nothing underneath.
The lens of humility offered here is not cynicism. Limerence is not fake; it is a real thing your brain does. It can also coincide with the early stages of a relationship that becomes deeply good. The point is not to disbelieve the feeling. The point is to refuse to treat the feeling as a verdict. Your job, while limerent, is not to act on the certainty. Your job is to notice that you are in an altered state, hold your major decisions, and watch what is actually happening over months and seasons. Does this person treat you well when you are inconvenient? Do they show up? Do their actions track their words? Do they exist outside your head, or only inside it?
The other gift of understanding limerence is that it lets you forgive yourself for past episodes. You were not stupid for the obsession that consumed two years of your twenties. You were a human nervous system in a particular configuration. Knowing this does not make it less painful when it happens again. It does make it easier to stop calling the chemistry truth. And it lets you tell the difference, eventually, between the involuntary fireworks of a brain on a person and the slower, quieter signal of being chosen by someone who is also choosing you back, in daylight, with their full attention, on an ordinary Tuesday.