“The mere consciousness of an engagement will sometimes worry a whole day.” That’s Charles Dickens. In other words, if you try and break up your day into lots of little chunks of time, your productivity is massively destroyed even though the time available is pretty much notionally the same.
The world is moving too fast. We want everything done in the blink of an eye. We can't wait, we can't stay still. It's always a race between us and the time, and time usually wins which frustrates us. But what, if for a moment we stop, we grasp out breath and just live.