Translation of sosiego

In the beginning it looked brutal but it worked. He brought my wallet back to me and asked me to count the bills in it. I was stunned and could not believe what just happened. He repeated his order.
The climb was much exhausting than I had presumed. I had forgotten that we were at high altitude where there is less oxygen and that every step required double effort. It was a great exercise.
The same evening we left Patagonia and flew to the capital of Argentina, Buenos Aires. We have waited a long time for this moment as we have not been in a city for almost two weeks and we usually love the city.