Why “Follow Your Heart” Is Terrible Advice
- Christoffel Sneijders
- 4 days ago
- 6 min read
The neuroscience of why we replay our own mistakes and what that habit is actually trying to do for you.
There is a truth nobody quite says out loud, though everybody lives inside it, which is that no human being enjoys making mistakes, not in business, not in love, not in leadership, and certainly not lying awake with one at three in the morning. What most people never learn is that there is a biological reason beneath that discomfort: it is not one part of you that recoils from getting things wrong; it is three.
Neuroscience confirmed something back in the 1990s that still surprises most people the first time they hear it, which is that your heart and your gut are not simply figures of speech but actual brains in their own right, carrying real neurons, real memory, and the capacity to reach decisions independently of the brain in your skull. Each of these three, the Head, the Heart, and the Gut, dislikes a mistake for a reason entirely its own.
The Gut hates mistakes because for most of human history a mistake meant danger, the kind that decided whether you ate or were eaten.
The Heart hates mistakes because emotional loss, rejection, or disconnection once meant being pushed out of the group, and being pushed out meant fewer chances of surviving at all.
The Head hates mistakes because its whole purpose is prediction, mapping cause and effect so the world stays legible, and a mistake tears a hole in that map.
So how do we still get it wrong?
If all 3 Brains dislike mistakes this much, it is worth asking how we still make so many of them, and the answer is simpler than it sounds, though not always comfortable to sit with. You make a mistake whenever you follow only one internal brain and stop listening to the other two. Each of your 3 Brains is trying to protect you from a different danger, which means they often pull in different directions, and when you follow only one of them, you are, in effect, deciding with a third of your intelligence rather than all of it. This is why the sentences people reach for afterwards- I followed my heart, I listened to my gut instinct, I thought it through and weighed the pros and cons- are not clichés at all. They are confessions that tell you exactly which voice was leading at the time, and if the decision went badly, they tell you which two voices never got a turn to speak.
Three scanners, three dangers
Before any of this becomes hopeful, it helps to start where your biology actually begins: with danger. Your internal system is scanning for threats long before you become consciously aware of anything, and each of your three centres is scanning for a different kind of threat entirely. The Gut is checking whether something is safe or risky, and because its job is survival, it reacts faster than thought ever could. The Heart is checking whether something will bring acceptance or rejection, and because its job is connection, it responds to anything that feels like emotional loss. The Head is checking whether something will destabilise your understanding or open up uncertainty, and because its job is prediction, it reacts to anything that confuses the model it has built of the world.
This is why a decision can leave you feeling torn in so many directions at once: part of you wants to act, another wants to wait, another wants to protect, another wants to connect, another wants to speak up, and another wants to disappear entirely. It is tempting to read that as something being wrong with you. Nothing is wrong with you. You are simply feeling three threat systems fire at the same moment, each one doing its level best to keep you safe in its own particular language.
When one voice takes the wheel, like follow your heart
Only once the scanning for danger has settled do these 3 Brains turn toward what they might gain, the Gut asking what it can win, the Heart asking how it might be loved more, the Head asking what the most logical course would be. And this is where things become genuinely tricky: in theory, we would listen to all three and weave their opinions into a single strategy, yet in practice, we rarely do. Every bad decision I have ever coached someone through, and there have been many, happens at the moment one of the three takes over completely and shuts the other two out of the room. When the Gut takes over, you act too fast and the emotional consequences arrive later, uninvited. When the Heart takes over, you say yes when you meant to say no, because the fear of losing connection outweighed everything else in the moment. When the Head takes over, you freeze, turning a decision over and over until the moment that required it has quietly passed you by. None of this is weakness. It is biology doing exactly what it evolved to do, just without the other two Brains in the conversation.
The regret that follows
When the outcome hurts, something else tends to arrive close behind it, and that something is regret, which is not really an emotion at all, whatever it feels like from the inside. Regret is a Head Brain strategy, one that activates specifically when the Heart or the Gut is carrying pain it has not resolved- grief, shame, guilt, or plain failure- and the Head tries to protect you the only way it knows how, by rewriting the past.
If I had done this. If I had said that.
What could I have done differently?
Why did this happen at all.
These thoughts feel like reflection, but they rarely are; they are rumination, an attempt to control future pain by endlessly replaying a past that has already ended. As a matter of simple developmental fact, regret only becomes possible once a child develops the concepts of time and if-then reasoning, somewhere around the age of seven, which is the exact moment a person becomes capable of punishing themselves mentally for something they can no longer change.
The more the Head tries to seize control through this kind of rewriting, the more defensive the Gut becomes, and that is often where procrastination, avoidance, distraction, or a slow drift into anxiety quietly begins. All of it traces back to a single mechanism: one voice taking over and closing the door on the other two.
Breaking the pattern
So how do you interrupt it, and how do you stop fighting yourself in this particular way? A good place to start is simply to look back at your last three decisions of any real weight, and ask, as honestly as you can manage, who actually made them: your Head, your Heart, or your Gut. Then ask which voice you did not listen to.
Which threat felt loudest in the room.
Which part of you was trying hardest to protect you?
Which gain looked so appealing that it drowned out the other signals entirely?
Did the Head push for prediction and certainty.
Did the Heart bring a pull toward connection and meaning?
Did the Gut arrive with power, drive, and the urge to act.
You will likely start to see your own pattern more clearly than you expected to.
Real leadership, and I would say real decision-making of any kind, tends to appear once these three centres learn to work as a team rather than compete for the microphone, clarity coming from the Head, connection coming from the Heart, and power, drive, and action coming from the Gut. Real courage, in my experience, only shows up once the Heart has given the Gut’s power somewhere worth going, a purpose rather than just force. That is the moment decision-making shifts from survival to alignment, and it is often the moment regret quietens and the constant low-grade argument inside a person finally settles.
So perhaps it is worth retiring the advice to simply follow your heart, or simply trust your gut, well-meant as it always is. Your life tends to change less at the moment the loudest internal voice wins, and more at the moment you finally turn toward the one you have been quietly ignoring. When all three voices are given a seat at the table, decisions stop being reactions you fall into, and start becoming choices you actually make.
Be smart; check who is leading your life for free
If you want to discover which internal voice dominates your system and where your blind spots are, take the free 3 Brains Preference Test.
It shows you in 5 minutes what years of guesswork probably never revealed.
If you want to help others master this biological clarity, explore the 3 Brains Coach Certification Training.
Leaders, coaches and therapists use it to create real behavioural change at the level where decisions are actually made.
Have an amazing week, and love to read your comments
Christoffel
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