Imagine. You're on a backpacking trip, hiking through deserted countryside on a hot day. You've been prudent, and have just enough water to get you to the next campsite that evening. Then you come across another hiker, short of water, who is beginning to show signs of stress. You don't know if there is any water nearby until you get to the campsite. What do you do?
The question was posed in a recent story about hiking in the Grand Canyon, where it regularly occurs. A spokesman at the Grand Canyon remembered at least one case in which someone died "trying to provide more help than they could physically afford to provide."
Some of the answers given by hikers were: