“Broadly speaking, we can define two ways to maintain the productivity of our most precious asset (your own body and mind) in the developed world today: consumerism and voluntary simplicity.
If you choose consumerism, you will probably see things like a massive house, many fancy cars, a huge and regularly renewed arsenal of electronic gadgets and regular exotic holidays as essential to maintaining the productivity (happiness) of this asset of yours.
If you choose voluntary simplicity, however, you will suddenly find that you need none of these things and that you now have a lot more time and money with which to pursue the things most closely linked to happiness and longevity: optimal health, nourishing personal relationships and free creative expression.”
Lees verder by http://oneinabillionblog.com/2012/09/10/2-9-investment-your-most-valuable-asset-part-ii/