Fish don't know they're in water
One fish asks another fish "how's the water?".
The other fish replies, "what the hell is water?".
Whether we're aware of it or not - all of us have a way to treat tasks. All of us have some sort of a "system". It might be very efficient or broken. It's probably implicit - we just do things, without defining the framework in which we're doing these things or paying much attention to the "system" itself. Nevertheless - it's there. And in some magical way - none of us forget to put our clothes on before we leave our home.
The "Time management" part of this wiki deals with this "system". The way in which we do stuff. And tries to improve it.