Love Goggles

Why You Ignore Red Flags When You’re Falling for Someone

Sep 02, 2025

You know those early days of a relationship when everything feels magical, and you can’t stop thinking about them? That intense high isn’t just romance; it’s your brain chemistry hijacking your better judgment. Today, we’re diving into the science of why you overlook red flags, what’s really happening in your brain, and how to spot the warning signs before you get too deep. Love is blind, and it’s time to understand how this affects your decisions. Whether you’re dating or reflecting on past choices, this is your guide to taking the blindfold off (lovingly, of course).

8-minute read

The Brain Chemistry of Why Love is Blind

Falling in love isn’t just a feeling. It is a full-blown neurological event. Your brain creates a potent chemical cocktail that makes the person in front of you look like perfection, even when they’re not.

Your Love Drug Cocktail Includes:

Dopamine: We’ve talked about this pleasure neurotransmitter before. It’s what gets released when you eat chocolate, win money, or take certain drugs. Falling in love activates this same reward system in a massive way. You feel euphoric, motivated, and laser-focused on your partner.
Norepinephrine: This neurotransmitter gives you energy, excitement, and focus. It also ramps up your heart rate and makes your palms sweat. It is the reason you can stay up talking all night, even when you’re usually dead tired by 9 PM.
Oxytocin and Vasopressin: These are bonding chemicals that make you feel close, trusting, and connected. Oxytocin is released during physical touch, sex, and even deep conversations.
Serotonin: Strangely, serotonin levels drop during early-stage romantic love. Studies show this is similar to the serotonin levels seen in obsessive-compulsive disorder, which explains why you can’t stop thinking about the person, replaying every text, every smile, every moment.

Your Judgment Center Literally Shuts Down

Functional MRI studies show that when you’re in love, the part of your brain responsible for critical thinking and negative judgment, the prefrontal cortex, deactivates! Your brain suppresses anything that might cause you to second-guess the bond. It’s evolution’s way of helping you pair up for survival, even if that means ignoring some inconvenient truths in the beginning.

Why You Ignore Red Flags in the Beginning

When people say, “Love is blind,” they’re not wrong. Here are five big reasons your brain lets those red flags slide.

1. Your Judgment Center is Offline

The areas of your brain responsible for evaluating risks and assessing negative traits are deactivated when you’re falling in love. This means your brain physically cannot process certain negative information about your partner.

Example: They constantly interrupt people in conversations. Normally, that would drive you nuts. But early on, you tell yourself, “They’re just enthusiastic” because your brain is refusing to let that register as a flaw.

2. Confirmation Bias is in Full Swing

You naturally seek out information that confirms your belief that this person is wonderful and ignore anything that contradicts that. Your brain is filtering reality to maintain the illusion.

Example: Your best friend mentions that your new partner seems a little controlling. You dismiss it immediately. “They’re just protective. They care so much.” You’re unconsciously searching for ways to prove your friend wrong because your brain is focused on keeping the love train rolling

3. The Biological Imperative to Bond

From an evolutionary perspective, humans are wired to pair up for survival. Early humans who bonded were more likely to raise offspring successfully and survive harsh conditions. Your brain is designed to prioritize bonding over objectivity.

Example: You notice that they have never really held a steady job. Instead of seeing that as a potential problem, you think, “They’re just figuring out their passion. I love how free they are.” Your brain minimizes real concerns because pair bonding feels like the higher priority.

4. Dopamine is Addictive (Literally)

The dopamine rush you get from early love is as powerful as what someone feels when gambling or using cocaine. You’re chemically addicted to the high of being with this person.

Example: You overlook that they ghosted you for two days because the next dopamine hit, a text that says, “I miss you,” makes the wait feel worth it. You’re chasing the chemical high instead of evaluating their reliability.

5. Scarcity Mentality Kicks In

If you believe this person is “the one,” your brain becomes highly invested in making it work. The scarcity mindset tricks you into thinking, “I may never meet someone like this again,” which makes you double down on ignoring the red flags.

Example: They mention they don’t want kids when you absolutely do. Instead of facing that incompatibility, you think, “Maybe they’ll change their mind. This connection is too rare to give up.”

Do People Change… Or Do You?

Here’s the truth. Your partner probably didn’t change. Your brain did. When the dopamine and norepinephrine calm down, usually between 6 months and two years, your prefrontal cortex comes back online.

Suddenly, the very things that seemed adorable, quirky, or exciting can now seem irritating, irresponsible, or even selfish.

So maybe early on, you were saying, “I love how laid-back they are. Nothing stresses them out.” And ten months in you’re saying, “Why do I always have to be the one to make the plans? You’re so unreliable.”

This isn’t a sign that the relationship is doomed. It’s a sign that the infatuation phase is over, and you’re entering the next phase of love.

Are You Falling Out of Love… Or Falling into Reality?

You might think:

“We lost the spark.”
“They’re not who I thought they were.”
“This must not be the right relationship.”

The truth is, you’re not falling out of love. You’re falling out of infatuation and into reality. You’re transitioning from dopamine-driven obsession to oxytocin-driven attachment. This is the biological blueprint of how long-term love works. Mature love doesn’t come with constant fireworks. It comes with comfort, safety, and connection, but only if you know how to nurture it.

What to Do About It: How to See Red Flags Before It’s Too Late

Once you understand the brain chemicals at play, dopamine, oxytocin, serotonin, it’s easier to stop blaming yourself (or your partner) for missing the red flags. You weren’t foolish. You were flooded. But now that you know better, it’s time to do better.

Got Red Flags? Get the Red Flag Reality Check Worksheet and Take the Quiz

Here are seven ways to start seeing clearly, even when your brain wants to stay high:

1. Name the Chemical Cocktail

Acknowledge to yourself: “I’m in the chemical flood zone.” It’s not just infatuation, it’s neurochemistry designed to keep you bonded long enough to pass on your genes. Knowing that gives you power. When you feel obsessed or euphoric, name it as a brain state, not a soulmate sign.

Try saying: “This feels amazing, but that doesn’t mean it’s sustainable or healthy.”

2. Slow the Hell Down

If you want clarity, you need time. The faster things move, the less time you have to see reality. That’s not romance, it’s rushing past red flags. Make it a rule to spend more time observing than imagining.

Ask yourself: “Do I like this person, or do I like how I feel around them?”

3. Create a Red Flag Reflection Practice

Once a week (yes, really), sit down and ask yourself:

“Did they dismiss or minimize anything I said this week?”
“Did I feel uncomfortable and brush it off?”
“Was I rationalizing their behavior because I like them?”

If you feel a twinge and then excuse it, that’s your cue to dig deeper.

4. Get a Second (Clear) Opinion

Talk to a trusted friend who isn’t in the swoony phase with you. Let them give you honest feedback, especially about anything that feels off. But remember, don’t just ask for validation; ask for their radar.

Say: “I want you to tell me if anything sounds weird, even if I don’t want to hear it.”

5. Look for the Trust Triad

I’ve talked a lot about what I call the Trust Triad, and this is a good time to check yourself within this framework. Remember, real trust is built on three things: integrity, competence, and goodwill. Ask yourself:

Does this person do what they say they’ll do?
Are they emotionally competent, able to handle conflict, and talk things through?
Do they genuinely have my best interests at heart, or are they mainly focused on themselves?

If one part of the trust triad is shaky, you’ve got your red flag.

6. Tune Into How They Handle “No”

One of the clearest red flags is how someone reacts when they don’t get their way. Do they respect your boundaries, or guilt-trip, sulk, or push? People can fake kindness, but they can’t fake respect when challenged.

Tip: Say no to something small and watch their response. It’ll tell you a lot.

7. Keep a “Reality Check” Journal

Every time you see a behavior that makes you pause, even if it’s minor, write it down. Then read back through the week. Are you noticing a pattern? Attraction can mask repetition, but your journal won’t lie to you.

If you’re in a relationship and starting to realize the red flags were always there, this isn’t about blaming yourself or resenting your partner. It’s about owning your power going forward. You didn’t fall for the wrong person; you just weren’t equipped with this clarity at the time. Now you are.

Here’s to seeing love with your eyes wide open.

Therapy-to-Go Bundle

Red Flag Reality Check Worksheet
Five Things to Do When the Spark Fades (But You Want Love to Last)
Conversation Scripts for Talking About the Things That Are Driving You Nuts
Journaling Prompts to Help You Stop Ignoring Red Flags (or Find Out if They’re Really Red Flags at All)
10 Signs You’re Ignoring Red Flags (and What to Do About It)
The Chemistry of Love Explained (and How to Hack It on Purpose)
The Dopamine Trap vs. Real Love Worksheet

Buy the bundle now for $10 and get all the above. OR join Abby’s One Love Collective for only $8/month, and get a Therapy-to-Go Bundle for each episode, plus ad-free episodes of the podcast, live Q&A’s with Dr. Abby, and access to an amazing community that’s all about real growth.