No turning back

This morning I went for a walk. Didn't want to walk very far. The car wash is one mile distance from the office. "There and back.", I said to myself.
I began to daydream and walked past my goal. On to the stop light, around the corner, up that road, around another corner. I found myself back at the office two and a half hours later. My aches and pains didn't rear their ugly heads until I was just a few blocks from the plaza. A good change from my first trip around the "block".
I was listening to NPR and a report said that a study of persons over eighty years old who exercise strengthen their brain power. Walking makes us smarter...