We only get a certain, finite number of experiences in our time on Earth. Doing the math helps you appreciate your experiences more.

With everything you do, you will do it for the last time. Some things you've done for the last time. This knowledge helps gives perspective.

Understanding money's role in your life allows you to spend on what is important to you while cutting out spending on things that are not.

Without pondering what we want out of life, we might end up on someone else's journey, and we may end up regretting it.