improve-retention

# Behavior Design Framework Framework for designing products that reliably change behavior. Behavior is not about willpower or motivation — it is a design problem with a predictable equation. ## Core Principle **The Fogg Behavior Model** = B=MAP. Behavior happens when Motivation, Ability, and a Prompt converge at the same moment. ``` HIGH ┃ ┃ ★ Behavior happens ┃ (above the Action Line) ┃ Motivation ┃━━━━━━━━━━━━━━━━━━━━━━━ ← Action Line ┃ ┃ ✗ Behavior fails ┃ (below the Action Line) LOW ┃ ┗━━━━━━━━━━━━━━━━━━━━━━━━━ HARD EASY Ability ``` **The Action Line:** When motivation and ability are sufficient, a prompt causes the behavior; below the line, no prompt works. High motivation compensates for low ability and vice versa. The reliable strategy is making behaviors easier (move right), not pumping up motivation (move up). See: [references/behavior-model.md](references/behavior-model.md) when you need the curve mechanics behind this model — the full Action Line math, behavior types (dot/span/path), and a step-by-step failure diagnostic for a behavior that isn't happening. ## Scoring **Goal: 10/10.** The six Quick Diagnostic rows are the single source of score-movers. Rate each pass/fail, then start at 10 and subtract per failing row: low motivation or below t...