Spending on oneself does not boost wellbeing. However, spending money on others does -- and it appears to be as important to people's happiness as the total amount of money they make.
Tom RathPerhaps the ultimate test of a leader is not what you are able to do in the here and now - but instead what continues to grow long after you're gone
Tom RathPeople who have at least three or four very close friendships are healthier, have higher wellbeing, and are more engaged in their jobs. But the absence of any close friendships can lead to boredom, loneliness, and depression.
Tom Rath