For the Guys: "Mastering the Surge" From random voice cracks to sudden spikes in energy and temper, being a teen guy can feel like driving a high-powered engine without the keys. The Surge Manual breaks down the mystery of testosterone and brain growth into simple, actionable steps. Boys will learn the "90-Second Rule" for managing urges, the "Leg Flex" for physical resets, and how to find their own version of strength in a world that often tells them to just "tough it out."