Author and behavioral designer Nir Eyal joins Ned to explore the hidden beliefs that keep us stuck—whether it's the diet that never works, the dream trip that never happens, or the chronic pain that won't go away. Nir's journey began with a devastating personal rock bottom: 30 years of yo-yo dieting, clinical obesity from childhood, and the shame of being the kid who never took his shirt off at the pool. After cycling through every diet imaginable—low fat, vegetarian, keto, intermittent fasting—he discovered the real problem wasn't finding the right diet. It was his limiting belief that there even was one "right" way. This realization unlocked a deeper truth: perseverance and adaptability matter more than intelligence or luck. But there was another rock bottom moment that changed everything. While spending quality time with his daughter, Nir checked his phone and missed her answer to a simple question. When he looked up, she was gone—he'd sent a clear message that his device mattered more than she did. This pattern of distraction extended to every area of his life, and he realized he needed to become "indistractable." His new book Beyond Belief: The Science-Backed Way to Stop Limiting Yourself and Achieve Breakthrough Results introduces a revolutionary framework: beliefs are tools, not truths. Through a powerful four-question process adapted from Byron Katie's work, Nir demonstrates how to identify limiting beliefs, examine them from multiple angles, and develop a "portfolio of perspectives" that unlocks motivation instead of destroying it. This episode covers essential concepts everyone needs to understand: why motivation isn't a straight line but a triangle (behavior, benefit, and belief), how all human behavior is actually pain management, why distraction comes from internal triggers 90% of the time (not your phone), the difference between traction and distraction, and how chronic pain often has nothing to do with physical damage but everything to do with fear-pain-fear loops. Nir also breaks down the real psychology of addiction (it's never just about the substance—it's the person, the product, and the pain), why to-do lists sabotage productivity, how making a $10,000 bet helped him finish his manuscript, and the liberating mantra that puts everything in perspective: "It's all prom." If you've ever felt stuck despite knowing exactly what you should do, this conversation offers practical, science-backed tools to finally break through.