Your brain processes your emotions, and when youre happy it sends a message to your mouth to form a smile. But what you might not know is that it actually works the other way too. Consciously making your mouth form a smile transmits signals to your brain that youre feeling happy.

Your Body Releases Good Hormones\n\n These signal to your body that you're happy, and in turn, you feel happier. Author of Smile: The Astonishing Powers of a Simple Act  Ron Gutman said, British researchers found that one smile can generate the same level of brain stimulation as up to 2,000 bars of chocolate.