How deep?

As I was skimming through and rereading parts of Affluenza, I discovered an interesting concept about how deep our culture really goes. Robert Greenway, an eco-psychologist who has led many retreats into the wilderness makes this observation:

On a wilderness trip, it seems to take about four days for people to start dreaming nature dreams rather than busy or urban dreams. This recurring pattern suggests to me that our culture is only four days deep.

If that is true, then I can understand why people who do a Vision Quest are expected to spend at least 4 days and four nights in the wilderness. Only then does the possibility of their dreams become less of what they think their life is and becomes more of what it should be. If our culture only has a four-day hold on us then I challenge us to retreat from our culture for at least four days (hopefully longer than that) every quarter of the year.