<prompt> Human: Image: Monthly Cash FlowThinking of everything in terms of monthly cash flow greatly simplified my understanding of personal finance. With this method, It becomes crystal clear why someone is struggling with living paycheck-to-paycheck. I even made a super simple budget spreadsheet organized with this approach. Feel free to use it as needed!  <response>: Your idea of using water to model your personal economy is extremely close to the hydraulic computer that was used by economists to represent the whole British economy. Good job 