For senior product leaders, the focus must shift from chasing vanity metrics like new sign-ups to mastering long-term, profitable retention. In the current market, the cost of acquisition is rising, making product churn the single biggest killer of sustainable growth. An activated user is only a starting point; the real product strategy lies in designing an experience that builds habits, drives deep engagement, and fosters undying loyalty. This session offers a deep dive into advanced retention frameworks and behavioral science principles that move beyond basic in-app messaging. We will explore how to identify and influence the moments in the user journey that dictate whether a customer becomes a loyal advocate or a silent churn risk.