Slogging over the up-and-down washboard of high plateau / valley below base camp. At that altitude it was hard work all day, every day for 2 weeks. But it was beautiful and worth it to him. He had a large 3D map of his hike on the wall to show me.

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This is the same guy who drives a 2,000 hp blown alcohol funny car (6.37 seconds / 202 mph in the quarter mile) for fun on the weekends.

Sometimes I think I'm pretty boring by comparison as I hike Mt. Fuji and drive a minivan (17.5 seconds / 73 mph).