Minimal MVP
When you flash a lovely smile, your brain releases tiny amounts of dopamine, the "feel-good" neurotransmitter. But here is the magic trick: Dopamine is contagious. When someone sees you smile, their brain’s mirror neurons fire as if they were smiling themselves. This creates an unconscious feedback loop of joy. That is why walking into a room and sharing a lovely smile can immediately lower tension; you are literally medicating the social group with happiness. lovely smile
They describe the eyes.
Cialdini, R. B. (2009). Influence: Science and practice (5th ed.). Boston: Allyn & Bacon. Minimal MVP When you flash a lovely smile,