The Happiness Expert: Single Friends Will Keep You Single & Obesity Is Contagious!
0:13better happier life I've studied the science of happiness and I found that most of what Society tells us is wrong0:20and we will go into all of this for example they found that happiness is about 50% genetic introverts tend to0:25have more long-term Happiness and happiness is a mind virus it will transmit from one person to another














