One Smile Makes the Whole World Happy

Photo by Abhidev Vaishnav on Unsplash

What do you wear before leaving the house this morning? A smile is also what you can wear! It’s a universal symbol of “happiness”, no language and no words needed. I decided one day that when I walked outside, I’d smile first at every stranger. I noticed that whether or not someone smiled back, I’d still find it felt good. I couldn’t figured out why, so I dug into science to find the answer.