Are you tired of being called "skinny," "weak," or "a hardgainer"-even when you eat more than everyone else?This book is your complete, research-backed roadmap for healthy, sustainable weight gain without junk food, steroids, or harmful shortcuts.Written in a simple, practical, and non-boring storytelling style, this guide helps you understand your metabolism, optimize your nutrition, train the right way, recover wisely, and finally overcome the frustrating plateau of staying underweight.Inside this complete manual, you will learn: