Juan Sebastian Martinez Marin

Nodeself - The behavioral mirror. Not a habit tracker.

Most habit apps count your streaks. Nexus models why they break. Nexus maps the causal structure of your behavior as a living, interactive graph. Each node - a habit, decision, attitude or state - is connected to others and decays over time when you stop reinforcing it. Silence is data too. Check in through an AI-Powered journal. Nexus analyzes you entires, detects patterns, updates your graph and simulates where you current trajectory leads in 30 or 90 days. No generic advice. No streaks.

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Juan Sebastian Martinez Marin
Hey PH Juan here, CEO of MancoMen Studio. I built Nexus after realizing every habit app I trued was lying to me, not with bad data, but with the wrong question. They asked "how often?" I needed "why did it stop?". The process evolved fast: what started as a journaling tool became a behavioral graph engine. The AI doesn't coach you. It reads your entries, maps causal connections between habits, decisions and states and lets them decay when you go silent. Silence is data too. The result feels less like an app and more like a mirror that doesn't look away. Still early. If you've ever felt your tracking data was technically accurate but told you nothing real, you're exactly who I built this for.