Why is a smile contagious?

Related questions

1. Can smiling make you feel happier?
2. Is always smiling a good thing?
3. What is smile depression?
4. What do the faces mean on SC?
5. Does smiling make you look older?
6. Why are smiles contagious?
7. What is a smile?
8. How much money did the smiley face make?
9. What can a smile do?
10. What does it mean when someone smiles a lot?

Tags

1. #empathize
2. #smiling
3. #allows
4. #growing
5. #frowns
6. #other
7. #mimicry
8. #because
9. #smiles
10. #instinct
11. #consciously
12. #shows
13. #better
14. #people
15. #unconsciously
16. #feelings
17. #makes
18. #everyone
19. #experience
20. #facial
21. #contagious
22. #evidence