Not having clear answers to those questions is a bit like getting into a car, with only a vague idea of where you want to go, and being unprepared for obstacles that might prevent you from reaching your goal:
you arrive at an intersection that you don’t know how to navigate, or an indicator light that you know nothing about turns on, or the weather turns bad. Or maybe, you’re just tired of driving.
If you are unable to tackle these unexpected events, it will be difficult to arrive at your destination, much less get there on time.
It becomes much easier when you know: