Just as the name of this Tutorial implies, this tutorial is about understanding what the outcome of your calculations are and how to best adjust or change your lifestyle or situation in order to arrive at the best scenario for you and your family.
Being able to test scenarios and interpret your situation and build a specific plan that works for you is vitally important​ and where the real value lies in this exercise. Its about firstly fully understanding your current position and then knowing what you need to do to get you where you want to be and then putting a strategy in place to achieve that.