Measuring Happiness » Types of smile
Real smiles, or ‘Duchenne’ smiles, involve the eyes. See the crow’s feet on the guy’s eyes, indicating a real smile. The girl is only smiling with the lips – no crow’s feet, not a real smile.
Real smiles, or ‘Duchenne’ smiles, involve the eyes. See the crow’s feet on the guy’s eyes, indicating a real smile. The girl is only smiling with the lips – no crow’s feet, not a real smile.