Yes, a lot, but im in the army, so yeah, that was foreseeable. If you mean for the privatelife, the first half was helpful, but the second half is skippable@@rachard
Before reading this book you need to first read a lot of other philosophical books that influenced the mind of the author also about Napoleonic era, also a groundwork on history, international relations and basic military strategy. What I mean is the only way to understand the book is to understand the mind of the author it isn't easy but worth it experience.
