Monica's approach is firmly rooted in the integration of Body, Brain and Heart - you cannot just work the mechanical system and expect everything to go swimmingly forever.
We are bones, joints, muscles, connective tissue. We are nervous systems - itself a landscape of huge diversity and nourishment needs. We are emotions and predictions, thought and sensation.
And these are all - ALL - in every step you take, whether you are conscious of it or not.
So, this last "chapter" - which can be incorporated at any time and forever - is here to offer guidance and knowledge about these aspects of capacity and performance as a human.