I was dehydrated and depleted after a long, hot day. Wanting to avoid too many trips to the squat toilet, I had limited my water intake. We were at 2800m altitude, not that high yet, but enough to need acclimating. I sat alone on my bed in the teahouse where we were staying in Nepal’s Annapurna region, my head pounding and too nauseous to eat. Tomorrow would bring a long day of trekking, and I wondered how I would get through it. Before I left for Nepal, people would ask, ha