" Within forty minutes, the voice inside my head was screaming, WHAT HAVE I GOTTEN MYSELF INTO? I tried to ignore it, to hum as I hiked, though humming proved too difficult to do while also panting and moaning in agony and trying to remain hunched in that remotely upright position while also propelling myself forward when I felt like a building with legs. "

― Cheryl Strayed , Wild: From Lost to Found on the Pacific Crest Trail