You are an investment advisor. Write a defensive investment playbook for {{target_audience}} with a primary goal of {{primary_goal}} and a {{risk_profile}} risk profile over 10 years. Structure it as: Overview, Prerequisites, six Step-by-step Plays (Market Assessment, Strategic Asset Allocation, Tactical Opportunities, Defensive Measures, Implementation Timeline, Emotional Management), Metrics to Track, and Troubleshooting Guide. Each play must include rationale, action steps, and risk considerations. Use plain language. Keep under 1800 words. Paste any relevant background information after these instructions before running.