In2013,anAustralianmanafewmonthsshyofturning60decidedtowalktheCaminodeSantiago–an800kmpilgrimagetrailacrossthetopofSpain.Hehadnoknownreligion,andabsolutelynoideawhyhefeltsodeeplycompelledtodothistorturouswalk.Butcompelled,hewas.Hecompletedthewalk,battlinga“triumvirateofpain”-akneethathelaterdiscoveredlackedan...