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In his novel The Songlines, Bruce Chatwin describes the Australian Aboriginals' concept of the Walkabout. Once a person feels it is right, he drops all and vanishes, leaving behind jobs, family, everything. It could be weeks or months or even years of traversing the continent, searching maybe, or just drifting. It could be to meet a certain person, or just to wander, but he returns as if nothing has happened (Chatwin 10).