what is FeelingsRunFaster about?

In FeelingsRunFaster, while trying to be loyal to my scientific background, I did my best to avoid being boring. When I finished the book, I first wrote the 'limitations', with a habit remaining from writing scientific research articles, and then went back to the preface or what the-book-is-about section. For the curious, I attach one page from each, for a quick glance. Here is the first page of the preface.