Money Mistakes: 13. Consistently spending all you earn or more than you earn

It's like having a drum where you have an inlet that's smaller than the outlet.
It will never get full. And should the inlet ever reduce significantly the drum will run dry. If you do it the other way round and the inlet is bigger, it will get full and even overflow. Hence, we have to always ensure we are widening the inlet while narrowing the outlet - all the time.