Stage 1: The crippling realization that you packed way too much stuff
And you’re going to have to carry your 15kg bag for four days hiking over massive mountains. Shit. At 5am in the hotel lobby, you now need to groggily decide whether to leave your down jacket, ski-gloves and piles of snacks in Cusco or to forgo your pride and pay to let a porter lug your stuff through the hills. Option 2 recommended — snacks definitely required.