1. Smile makes us attractive.
2. Smile changes our mood.
3. Smile is contagious.
4. Smile relieves stress.
5. Smile boosts your immune system.
6. Smile lowers your blood pressure.
7. Smile releases endorphins, natural pain killers and serotonin.
8. Smile lifts the face and makes you look younger.
9. Smile makes you seem successful.
10. Smile helps you stay positive.