Building a startup places extraordinary emotional and psychological demands on your body — demands that a jog won't erase. Add to that the pressure of scaling and debugging, and I had unknowingly built a storm inside my nervous system. Over the next three years, I prioritized physical rigor to balance my nervous system. It's more likely that your nervous system is the culprit. Related: How to Optimize Your Personal Health and Well-Being in 2025 — A Guide for EntrepreneursConclusion: Become you 2.0You can iterate your startup.