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Triple Take #20: The power of the smile!

  • Aug 22, 2025
  • 4 min read

Voice Confident's Triple Take - your fortnightly trio of tips!


An unusual Triple Take this week as each section is about the same thing - the power of the smile!


There’s a reason why there are so many songs about it…

  • "Pack up your troubles in your old kit bag and smile, smile, smile…"

  • "Smile, though your heart is breaking…"

  • "When you’re smiling, the whole world smiles with you…"

  • "Smile like you mean it"!

It’s free, it’s easy, and it’s powerful, both for you and for the person/audience you are speaking to.


Voice - Smile for a brighter tone

When you smile, something remarkable happens to your voice. The physical act of smiling changes the shape of your vocal tract, creating a different resonance chamber that produces a warmer, brighter, and more engaging tone. This is why we can literally "hear" a smile through the telephone, and why Broadway singers are always taught to smile!


The mechanics are fascinating: smiling lifts the soft palate and opens the vocal tract slightly. This altered position creates more space for sound to resonate in the front of your mouth rather than the back of your throat, resulting in a tone that sounds more approachable and energetic.


For public speakers, this simple adjustment can transform how your message is received. A "smile in the voice" signals authenticity and enthusiasm, helping your words land with greater impact. Even when delivering serious content, maintaining that slight feeling of a smile - or lift in the cheeks and eyes, if smiling is not appropriate - can keep your vocal tone engaging rather than monotonous.


Try this quick experiment: Record yourself saying the same sentence twice – once with a relaxed, neutral expression and once while smiling. The difference will be unmistakable. The smiling version will have a brighter quality that sounds more confident and engaging.


This technique is particularly valuable for virtual meetings and phone calls where visual cues are limited or non-existent. By consciously smiling while speaking, you compensate for the missing facial expressions and create a more connected experience for your listeners.


Remember: your voice is your sound signature. Make it count by letting your smile brighten your tone.


Presence - Smile as your natural superconnector

Have you ever noticed how one person's smile can transform the energy of an entire room? This isn't just a poetic observation – it's neuroscience in action, specifically through mirror neurons in our brains.


Mirror neurons are specialised brain cells that fire both when we perform an action and when we observe someone else performing that same action. When you smile genuinely at others, their mirror neurons activate, creating an unconscious urge to smile back. This neurological mirroring creates an instant connection, which is why a smile is your natural "superconnector."


This mirroring effect goes beyond facial expressions. When someone sees your smile, they don't just mirror the physical movement – they also begin to experience the positive emotional state associated with smiling. It's a biological shortcut to building rapport and trust.


The impact on your presence is profound. A genuine smile makes you appear more:

  • Approachable and open to connection

  • Trustworthy and sincere

  • Confident and at ease

  • Empathetic and understanding


For leaders and speakers, this represents a powerful tool. Before addressing a group, taking a moment to genuinely smile can prime both your audience and yourself for a more receptive, connected exchange.


Remember that authenticity matters – forced smiles don't trigger the same mirror neuron response as genuine ones. The most effective smile reaches your eyes and comes from a place of genuine warmth.


Confidence - Smile for mood-boosting hormones

The relationship between smiling and confidence works both ways – confident people smile more, but smiling itself can actually make you feel more confident through a fascinating biological feedback loop.


When you smile, your brain and body can shift into a more positive state. Research shows that smiling can trigger the release of chemicals that influence mood and wellbeing:

  • Dopamine – boosts motivation and creates a sense of reward

  • Serotonin – helps regulate mood and promotes calm and balance

  • Endorphins – act as natural pain relievers and can create feelings of ease and positivity


And this chemical release apparently happens whether your smile is spontaneous or deliberate. This may be because, from an evolutionary perspective, we do not and cannot smile when under threat. Danger approaches; the face falls, because face muscles are not a priority for the brain when dealing with danger. And so the act of smiling itself sends signals to your brain that things are going well, which can then triggers this hormonal response.


These mood-boosting hormones don't just make you feel happier – they actively reduce stress hormones like cortisol, creating a physiological state that allows you to feel more relaxed and confident. When you're less stressed, you're naturally more present, clear-thinking, and self-assured.


Before your next high-pressure speaking situation, think of something funny or light-hearted, or think about a family member or friend who lights you up, and try holding a genuine smile for just 20 seconds. This brief intervention can reset your nervous system, flood your body with confidence-boosting chemicals, and prepare you to show up as your most assured self.


So your smile isn't just a social signal – it's a powerful tool for self-regulation and inner confidence building.

 
 
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