rebellion was always a-brewing whenever sergio and haakon did much talking about hiking hundreds of miles to a river , then drifting for hundreds of miles down that river , then hiking hundreds more miles over a mountain range to reach another river , then building a raft and drifting hundreds of miles down that river but the wilderness had gotten into sergio 's and haakon 's blood , and when a passion gets into someone 's blood who knows what mischief must ensue ?