As humans, one of our major goals is to strive and be happy. Happiness is a great feeling that helps us elevate our body and mind. Sometimes, it makes us cry and laugh, and it can be so infectious, rubbing off on other people close to us. Without playing down the role of happiness, the major reason why we all feel elated, lively, or hopeful is actually due to a variety of complex chemical reactions happening constantly inside our bodies.
