User interviews don’t reveal real behavior—they capture what people say, not what they do. When founders build products on this gap, they don’t just risk failure—they lock assumptions into costly tooling, inventory, and capital loss.
You Don’t Understand Your User Until You See Them Struggle You don’t understand your user until you observe their behavior under real-world constraints. Interviews and surveys capture stated preference, but only real-world struggle reveals actual behavior. In physical product development, ignoring this gap leads to costly design errors, tooling waste, and unsellable products. Good morning….