Reading this book is fast and amazing by its density. Its impact is amazing. From the first pages, the purpose reads simple, concise, to address a central issue of our modern lives: how to maximize our potential as human beings. Reading is easy and pedagogy adopted relevant. Text tables are simple to remember, tests and other exercises immediately verifiable, allowing real interaction. The title "I recharge my batteries" is in the present tense because it is actually a permanent necessity. For this reason this book is to keep on hand for that at any time we can we immerse it. Giulia thank you.