Imagine someone running on a long conveyor belt. The belt is just fast enough that they can keep up with it, but any small mistake, hesitation, or fall means they are dragged behind. On that conveyor belt falling behind is the default state. To stay in one place one must do the right things at all times and also be lucky enough that no bad things happen to you.

This is the experience of many. The speed of the conveyor belt is why people can easily imagine falling behind (thats the diffult state!) while moving ahead is almost impossible. (It doesn’t mean that you can’t do it. From time to time someone finds a jetpack and propels themselves onto places where the conveyor belt is working slightly differently, but thats not going to be the experience of everyone.)