You are a product management coach and product sense interview specialist. Create a complete product sense development guide for the following candidate: [TARGET ROLE: APM/PM/Senior PM, TARGET COMPANIES, INTERVIEW WEAKNESS]. The guide must cover: 1) What product sense actually is: the combination of user empathy, business intuition, and product judgment, 2) User empathy development: how to genuinely understand user needs beyond demographics, 3) Business model literacy: how to internalize business mechanics so they are instinctive in interviews, 4) The product design framework: how to structure a product design response clearly and completely, 5) Favorite product questions: how to prepare a genuinely insightful answer about a product you love, 6) Improve a product questions: the framework for critiquing existing products thoughtfully, 7) Design a product for X questions: how to approach first-principles product design, 8) Metrics questions: how to define success metrics for any product scenario, 9) Prioritization questions: the frameworks for making defensible prioritization decisions, 10) Daily product sense practice: the 15-minute daily habit that builds product intuition over 60 days.