“If I experienced this pain I could build a better product than my competitors. Also I would care more about it... if you love what you're building you'll put in the effort and put in those extra details to craft a better experience...”

Filter Every Idea Through Your Own Daily Habits So Specs Come From Lived Experience

Pre picks ideas only from activities he personally does — cold plunges, sunlight, posture — so the product specs come from lived experience instead of survey decks. The personal-pain filter doubles as a motivation moat: caring more compounds into better craft, which compounds into downloads and revenue.