How to Create Happiness: How to Make Yourself - and Those Around You - Happy is a profound, comprehensive, and multi-disciplinary exploration into the mechanics of human well-being, written by veteran journalist and author Hassan Ahmed. Blending timeless philosophical wisdom with current modern science, this book shifts the dialogue away from superficial clichés and moves toward deeply grounded, actionable psychological frameworks. The study architecture is systematically divided into distinct analytical phases. It begins by deconstructing the ubiquitous cognitive distortions and societal illusions surrounding wealth, celebrity status, perfectionism, and social comparison theory. Backed by landmark research—including Kahneman and Deaton’s income studies, the Easterlin Paradox, and Festinger's social evaluation models—the book strips away these external facades to uncover the genuine internal foundations of emotional stability. Rather than offering passive observations, the author delivers a scientific evaluation of core positive psychology principles. Readers will explore the neurological impact of gratitude bias, the evolutionary roots of the negativity bias (Velcro for sorrow, Teflon for joy), and the direct application of Cognitive Behavioral Therapy (CBT) models in reframing internal dialogues and self-talk. Crucially, the book treats mental health not just as an abstract ideal, but as an interconnected biological and interpersonal ecosystem. Dedicated chapters examine the clinical realities of depression and anxiety, illuminating their silent companionship and offering evidence-based strategies for behavioral activation. The narrative further integrates nutritional psychiatry, sleep architecture data from modern neuroscience, and the evolutionary bio-signals of chronic social isolation. Enriched by cross-cultural folk tales and psychological readings of historical narratives—from Ancient Greece to Eastern traditions—the work balances rigorous research with human sentiment. "How to Create Happiness" culminates in a structured, sustainable 8-week behavioral plan driven by habit-loop engineering, making it an indispensable resource for researchers, students of social sciences, and anyone seeking a realistic compass for lifelong psychological flourishing and resilience.