5. That good friendships are priceless treasures. And that old friends are the most precious ones

Excellent things to know both before and after 40

Classical pianist by accident, thinker by choosing, artist by destiny

Very cool! Thanks for sharing it. Again the fitness thing that we talked about yesterday. And friends are very essential as well. So it is the contact with nature. 
But the most important thing is to be true to our own values. The values that society imposes - connected to consumerism, tradition, money, and power - are not the real driver for a better life.