Copyright Forbes

Have you ever wondered whether someone was obsessed with you? Maybe you consistently catch them staring at you for a few moments too long, or were surprised when they remembered a small detail you mentioned in passing. Perhaps a coworker struggles to hide their joy when you walk in, or a friend suddenly seems unusually eager to spend time with you. These moments can sometimes feel flattering — or even a little uncomfortable — but they aren’t necessarily a reason to worry. Romantic obsession exists on a wide spectrum. On one end is infatuation, when a person is enchanted by you and is genuinely interested in your life. On the other end is compulsive obsession, which breaches the emotional boundaries and becomes similar to addiction. This is also known as limerence. A 2015 qualitative study identified several features common among people who experience limerence. These were namely: Intrusive and repetitive thoughts Emotional highs and lows, depending on reciprocation Physiological symptoms similar to those seen in addiction The difference between infatuation and obsession lies in boundaries. A healthy infatuation involves seeing someone as a distinct, autonomous individual. But when this crosses infatuation into obsessive territory, it becomes something much more uncomfortable. These two research-backed clues can help you figure out if someone is secretly obsessed with you. Here’s how to tell if they’re paying you flattering attention or if you should be concerned about their behavior. MORE FOR YOU 1. They Know More Than They Should It can feel immensely flattering when someone pays special attention to the little details that make you you — your favorite coffee order, the name of the pet you had during your childhood or a band you mentioned once in passing. Often, this level of attentiveness signals real interest and emotional investment in getting to know you. A study published in the journal of Social Cognitive and Affective Neuroscience suggested that people experiencing passionate love often show an increase in attention and memory for love-related information, in comparison to information related to friends or neutral stimuli. By means of behavioral and electrophysiological measures, the study revealed that participants exhibited stronger late positive potential (a sign of motivated attention) when they were exposed to words related to their romantic partner. The participants were also able to retrieve more partner-related details than friend-related ones. This suggests that emotional arousal can give rise to both heightened attention and deeper encoding of partner-related memories. So, if someone you know is able to recall small things you barely remember mentioning, it’s likely because their fascination makes even the tiniest details feel meaningful. Their mental “database” about you is unusually rich for a reason. That said, it is one thing for someone to be extremely observant, and a completely different thing when they act on information that obviously did not stem from direct conversation. If you’re certain that you then it could be that their infatuation is bordering on the unhealthy side. This disregards your privacy, which should definitely be brought up and confronted. 2. They Mirror Your Interests And Behavior Perhaps the most obvious (and, at times, even endearing) indicator of romantic fixation is when someone begins to orbit you. They enthusiastically take on your interests and mimic your tastes, seemingly fascinated by everything that makes you who you are. Those swept up in the early stages of infatuation often find themselves gravitating toward the hobbies, music and general lifestyle of the person they admire. This isn’t always shallow mimicry; more often, it’s a genuine attempt to align their experiences with your own in order to create a sense of closeness. Research from the Journal of Personality and Social Psychology refers to this phenomenon as the chameleon effect: the subtle, often unconscious tendency to mirror another person’s gestures, mannerisms, or speech patterns. The authors found that people naturally and unintentionally imitate the behaviors of those they interact with, which can make social exchanges feel smoother and more connected. In fact, later studies have shown that this kind of mimicry has likely evolved as an affiliative social function, which people use specifically to become closer to others. In the context of attraction, this mirroring may serve as a nonverbal way of indicating synchrony. This mirroring can manifest in many small but telling ways: They start ordering the same coffee or lunch that you do They begin using your favorite expressions or jokes Their music playlists and movie watchlists slowly start to resemble yours They start showing up at places you frequent — your favorite restaurant, bar or hang-out spot However, the problem arises when this imitation feels sudden, exaggerated or performative. If someone drastically overhauls their personality, style or social circle in order to reflect yours, it may indicate deception or an unhealthy dependence rather than genuine affection. Similarly, when a person mirrors you so completely that they seem to lose their sense of self, the dynamic stops being romantic and starts being enmeshed. Healthy attraction leaves space for individuality. Someone might think about you constantly, but they won’t make their preoccupation your burden to manage. By contrast, when their behavior begins to violate boundaries or compromise your comfort, it’s a sign the fixation has crossed into unhealthy territory. Regardless of how sincere or intense their feelings appear, your sense of safety and autonomy should never be negotiable.