Kathmandu. In our daily lives, we meet many people. Some are genuinely happy to see us, while others smile out of formality or for a specific purpose.In such situations, it can be difficult to tell whether another person's smile is genuine or just an act. If you want to understand the difference between a real and a fake smile, these simple physical cues can prove useful:Eye expressionIt is said that the eyes never lie. When it comes to smiling, this is entirely true. A genuine smile is not limited to the lips; it reaches the eyes. When a person smiles...