Years ago one of my sisters got lost for several days while hiking in the mountains. There was a massive search which culminated in her being rescued via a helicopter from the middle of a river several miles from where she had gone missing. Thankfully, she didn’t suffer anything more than dehydration and some trench foot from the experience. But when I spoke with her after it was all over she told me something which I’ve thought of often over the years. She explained that at