First, this is all about understanding the most important aspects that you've missed, which unknowingly plays an important role to make you a better individual, rather than providing you short-term pleasures which do nothing to you.

Secondly, this book is based on the ocean of great understanding of real & honest life along with substantial, philosophical ideas with deep explanation to them.
psychologically understanding in this book will provide you great thinking over your own life, perishing by making your own life much better.

My promise to you, by reading this, life will obviously not be less of suffering or you will not feel bothered about the obstacles in it, but by reading & understanding it's depths will take you to the heavy amount of doubt on all the aspects that your life have, which will intentionally force you to design your life in a better way by hustling more.