Why Smiling Is Contagious Informative Speech?

Summary: Smile! It makes everyone in the room feel better because they, consciously or unconsciously, are smiling with you. Growing evidence shows that an instinct for facial mimicry allows us to empathize with and even experience other people's feelings.

What does it mean by contagious smile?

: capable of being easily spread to others : causing other people to feel or act a similar way. She has a contagious smile. [=her smile makes other people smile; her smile makes other people happy]

Are smiles infectious?

Smiling is infectious, you catch it like the flu, When someone smiled at me today, I started smiling too. I passed around the corner and someone saw my grin. When he smiled I realised I'd passed it on to him.