Many of my memories of when I was a back country wilderness guard are not highlights from someone’s trail video on social media. I spent many long hours doing not much more than walking. Sometimes I was wet or cold. Sometimes I was stupid hot. Much of that time I was hopelessly lonely and also bored with myself. More often than I’d like to admit my brain would get helplessly stuck in a thought loop — usually an endless rendition of Row, Row, Row Your Boat set to the cadence of my pace. Which, if...