Give them a real smile

Why your smile is a business asset, not just a nice to have

September 29, 2026•4 min read

Here is a sentence you will not hear from most business coaches. Your smile might be doing more for your revenue than your last three strategy sessions combined. Not because it charms people, though it does that too. Because of what happens inside your own brain the moment it happens for real.

Let's start with the difference between a smile and a Duchenne smile, because they are not the same thing, and your brain knows it even when your eyes do not.

A regular smile uses one muscle, the zygomaticus major, the one that pulls the corners of your mouth up. You can fire that muscle on command, in every photo, every handshake, every Zoom call. A Duchenne smile, named after the French neurologist who first studied it, adds a second muscle, the orbicularis oculi, the ring of muscle around your eyes that creates the little crinkle at the corners. That second muscle is mostly involuntary. Most people cannot fake it convincingly. It only fires when the feeling is real.

Here is why this matters more than it sounds. Researchers photographed college women in their yearbook photos and tracked what happened to them over the following decades. The women whose photos showed a genuine Duchenne smile went on to report better marriages and higher personal wellbeing decades later, compared to those with a posed, mouth only smile. That is a striking correlation, not proof that smiling caused the outcome, since happier people may simply smile more genuinely in the first place. But the pattern is real, and it lines up with everything else we know.

Now to the part you actually asked about. Does the smile feed back into the brain and change your state, not just reflect it.

This is called the facial feedback hypothesis, and it has had a rough decade in the research world. A famous 2016 attempt to replicate the classic pen in the teeth study, across seventeen labs, mostly failed. For a while it looked like the whole theory might be more myth than science. Then in 2022, a much larger and better designed effort called the Many Smiles Collaboration retested it across nineteen sites and roughly four thousand people. The effect came back, real, measurable, and smaller than the original hype suggested. So the honest answer is this. Your face does talk to your brain. It is a whisper, not a shout, but it is there.

Here is where the whisper becomes useful for a business owner. A large body of research on positive emotion, led by psychologist Alice Isen and later built into Barbara Fredrickson's broaden and build theory, has found something remarkable and well replicated. When people are in a positive emotional state, they perform noticeably better on creative problem solving tasks. In one classic experiment, people given a small positive mood boost solved a tricky creative puzzle at dramatically higher rates than people in a neutral state. Positive emotion literally widens your thinking, Fredrickson's research shows, opening you up to more ideas, more unusual connections, and more flexible thinking, while negative emotion narrows it down to tunnel vision and threat response.

Put those two pieces together and you get a genuinely useful chain. A real smile is a small but real signal to your own brain. That signal nudges you toward positive emotion. Positive emotion measurably widens your thinking and your creative problem solving. And a business owner who solves problems more creatively finds more ways to help people, which is where the revenue actually comes from.

That last link, the one from your brain to your bank account, is not something a lab has measured directly, and I will not pretend it has. Nobody has run a controlled study proving that smiling genuinely makes you more money. But the chain up to that point is solid science, and the final step, that creative thinking helps you serve people better, is just business common sense wearing a lab coat.

Here is the practical version. You cannot force a Duchenne smile on command, that is the whole point, it only shows up when something real triggers it. But you can build a life and a business that produces more of those real moments. Notice the small wins instead of only the next target. Spend time with people who make you laugh for real, not just people you network with. Walk into your next difficult meeting having genuinely appreciated one thing about your day first. The smile is not the strategy. It is the readout of whether the strategy is working.

And here is the part that turns this from a nice idea into a system. You do not build a genuinely happier brain alone, staring at a spreadsheet in a rented office. You build it around people who reinforce the same climb, who push you the same direction, who understand that revenue, reputation and relationships all come from the same well. That is the entire point of a tribe. Not a network of contacts collecting business cards, a group of people who actually want to see each other become who they are capable of being.

If that is the kind of tribe you are looking for, get the Make Me Great app here : https://app.make-me-great.com/

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