人们可能会想:快乐的人是不是拥有一些我们没有的东西?正是那些东西让他们笑口常开,总能看到事物美好的一面?的确如此——原因是他们拥有快乐的朋友。哈佛大学的一项研究表明,快乐会像传染病一样蔓延。克里斯塔基思和福勒博士研究了将近5000人以及他们的社会关系,包括亲属、朋友和同事共50000多人,发现个人的快乐其实是一种集体行为,很大程度上依赖于他们的朋友是否快乐,甚至依赖于他们朋友的朋友、朋 One might wonder: Do not happy people have something we do not have? It’s the stuff that makes them laugh and always see the good things about them - and indeed - because they have happy friends. A Harvard study shows that happiness can spread like an infectious disease. Kristalith and Fowler studied nearly 5,000 people and their social relationships, including more than 50,000 people, relatives, friends and colleagues, and found that personal happiness is actually a collective activity that relies heavily on them Whether friends are happy, or even rely on their friends friends, friends