If running a marathon is not exhausting to you, I don't think expecting the rest of the world to feel fresh after it is the right way to see the world. Except

If running a marathon is not exhausting to you, I don't think expecting the rest of the world to feel fresh after it is the right way to see the world. Except given the noise/signal ratio and the sheer mass of information we have today, the workload is much higher than training for a 42 km run.