Women have a important biological rhythm they experience every month that affects productivity, weight, sex drive, energy, and mood. It is essential to be aware of and take care of this rhythm, but it has been widely ignored by medical, nutrition and fitness research. So as women, we diet, we deprive, and we cram as much as possible into our day, striving to accomplish impossible to-do lists, and scheduling our lives based on a 24-hour time cycle, ignoring the intuitive time our bodies naturally keep: a monthly cycle with four hormonal phases that offer incredible advantages.

Direct, blunt, and brutally honest,Grover breaks down what it takes to be unstoppable: you keep going when everyone else is giving up, you thrive under pressure, you never let your emotions make you weak. In “The Relentless 13,” he details the essential traits shared by the most intense competitors and achievers in sports, business, and all walks of life. Relentless shows you how to trust your instincts and get in the Zone;

James Nestor explores the transformative power of proper breathing techniques, blending scientific research with historical and personal anecdotes. Nestor delves into how modern habits have degraded our breathing and health, uncovering ancient practices and cutting-edge studies that reveal the profound impact of breath on physical and mental well-being. The book offers actionable insights and a fresh perspective on something we often take for granted: the simple act of breathing.