According to the book Connected: The Surprising Power of Our Social Networks and How They Shape Our Lives your odds of being happy increase 15% when friends in your immediate circle are happy.
Not only that but the happiness of your friends' friends (people you may not even know) increases your happiness potential by 10%. And perhaps most surprising, the friends of your friends' friends still impacts your happiness by 6%! In contrast increasing your income by $10,000, according to author Nicholas Christakis only increases your chance of being happy by 2%. ...continue reading