Falling in love is wonderful, but it also makes us do the kind of things that would make our logical brain facepalm.
Suddenly, smart, rational people think it's perfectly fine to text someone at 2 a.m., spend hours overthinking about a reply, or spend their entire paycheck for overpriced gifts just to impress. Love makes us a little stupid, and honestly, kinda hilarious when you look back at those moments.
In this post, we'll uncover the psychology of love and why we do stupid things for love.
The Science of Love
Have you ever heard someone say things like, “I have butterflies in my stomach” or “I’m falling head over heels”? Yep, those are classic signs that your brain is telling you—you’re in love. Studies have shown that being in love activates the same areas of the brain linked to obsession, addiction, and reward, particularly the Ventral Tegmental Area (VTA).
Let's take a look at how hormones play a role in all this craziness.
Dopamine
When you're in love, your brain releases more
dopamine. The hormone that is linked to motivation, pleasure, and reward. That's why thinking about or seeing your crush gives you the "high" and that excitement. The high is equivalent to winning a lottery or getting a promotion at work.
Just like drugs, dopamine can make love feel like an addiction. By replaying the same scenes over and over, the more you reinforce behaviors that push you to think about them constantly. That's the reason a simple smile emoji or birthday wish can feel extra special.
Having a crush is addictive because it's so unpredictable. If you have ever been in love, you know what I am talking about. You start creating stories in your head like, “Why hasn’t she texted me back yet? Did I say something wrong?” That uncertainty triggers a surge of dopamine that keeps you hooked.
It's more like gambling but without the side effects of going broke. Slot machines keep people engaged because the win doesn't come every time, and the unpredictability is what makes the reward even sweeter. Love works under the same principle. When your crush finally texts back or shows slight affection, the emotional payoff feels worthwhile. The next thing you know, you are craving more of it.
Serotonin
Studies show that when we fall in love, our serotonin levels drop—the very hormone that helps regulate mood and control obsessive thoughts. This is also why people with Obsessive-Compulsive Disorder (OCD) tend to have lower serotonin levels too.
In early stages of infatuation, the dip in serotonin is what makes your crush live rent-free in your head, even when you're trying to focus on something more important. This also explains why love feels like a beautiful obsession. You daydream about them, check your phone constantly for their reply, and crave their attention.
This makes our emotions swing wildly. Extreme happiness when things go well, despair and sadness when things go wrong.
To put it simply, serotonin is the reason love doesn't just make you feel good; it consumes your thoughts as well.
Oxytocin
Oxytocin, often called the "love hormone," is often linked to intimacy, trust, and long-term relationships. It's released during moments of physical closeness like touching, kissing, or having sex.
A
study found out that couples in the early stages of romantic relationship have significantly higher levels of serotonin compared to their single counterparts.
Oxytocin explains why love can feel secure and comfortable. It lowers stress, anxiety and induces feelings of security and peacefulness. That’s why something as simple as holding your partner’s hand during a tough time can instantly make you feel calmer.
How Romance Clouds Our Judgement?
When chemicals like dopamine and oxytocin flood our brain, they also cloud our rational mind too. Suddenly, you are not thinking with logic; you are thinking with butterflies (or are you even thinking at that point?). That’s why clear red flags—like when they never initiate conversations, give you short replies, or only text when they need something—often get swept under the rug.
From an evolutionary perspective, this "love smoke" kinda makes sense. Humans are wired to prioritize bonds and procreation over rationality. Think about it for a second. If our past ancestors paused to analyze every mate's flaws, humans might not have made it this far. Instead, nature designed us to overlook imperfections long enough to form strong pair bonds, reproduce, and ensure the survival of the next generation.
That's why the most rational person on earth can do irrational things for love. Your brain temporarily puts logic in the backseat to make sure connection and physical intimacy take center stage.
So next time you find yourself ignoring red flags, remember it's not poor decision-making; it's millions of years of human evolution driving you toward romantic love.
Love Is Blind
When you are in love, your brain sees your crush or partner through rose-colored glasses. The scientist called it the "
halo effect," a tendency to let a positive trait of a person overwrite their flaws. When someone looks physically attractive, it's easy to assume they are also smart and kind as well. This is why we choose the wrong person to fall in love with or get stuck in a miserable relationship.
Love doesn't just make us more forgiving; it also amplifies the effect of confirmation bias. We start searching for evidence that confirms our beliefs while ignoring the ones that contradict them. Did your partner ignore you for no reason? Your brain might shrug it off as a “not-a-big-deal thing,” because admitting the behavior would clash with your idea of them as perfect.
This bias isn't a totally bad thing. In fact, it helps couples create meaningful bonds, build trust, and give relationships the momentum they need in the early stages. The trick is to acknowledge them as early as possible so you can save yourself from heartbreak later down the line.
The Illusion of "The One"
Modern culture plays a huge role in shaping the idea of “the one.” From Disney movies to romance dramas to pop songs, we’ve been fed the same storyline since we were kids: somewhere out there is a perfect person who is destined for you, will magically understand you, and will complete your life. Hollywood loves the soulmate narrative because it’s emotionally satisfying and easy to package. These stories might be wonderful and fun, but they also subconsciously tells us that love is something we find, not something we build
Beyond entertainment, the idea of “the one” is comforting in today's modern world. Life is full of uncertainty—careers change, people move, friendships fade—but believing that love has a prewritten script gives us a sense of stability. If there’s only one perfect partner out there, then choosing becomes easier and the fear of making the “wrong decision” disappears. It’s emotionally comforting to think the universe has already sorted out your love life for you. This belief gives people hope, reassurance, and something magical to hold onto.
Believing that someone is “the one” can make us overlook reality in ways that aren’t healthy. When you’re convinced a person is your soulmate, you’re far more likely to excuse behaviors that clearly don’t sit right with you. Red flags suddenly look like “quirks,” and poor communication gets rebranded as “they’re just busy.” You start forcing the relationship to fit the fantasy instead of honestly evaluating whether you’re actually compatible. This mindset can trap you in relationships that drain you.
The belief in “the one” also puts unrealistic expectations on relationships. If you think someone is your perfect match, you might expect them to intuitively understand your needs, always agree with you, and never hurt your feelings. But real relationships require effort, compromise, and understanding. When problems inevitably appear, you might think something is “wrong” rather than seeing it as a normal part of building a healthy bond. This creates disappointment, anxiety, and emotional burnout.
In the end, the idea of "the one" limits your choices and hinders you from seeing true connections are made, not magically destined.
Conclusion
Falling in love isn’t just a feeling. It’s a straight-up emotional rollercoaster for your brain. Love nudges us into seeing the world through rose-colored glasses. That’s why we sometimes make decisions that, looking back, seem completely crazy.
Understanding the science behind it allows us to make smarter decisions while still enjoying the thrill of love.