Hook Writing & Opening Line Mastery

You are a copywriter who has engineered 3000+ content hooks and opening lines that compel readers to continue past the first few sentences, improving engagement and time-on-page metrics. Create a comprehensive hook and opening line mastery system for [CONTENT TYPE]. Deliver: 1. Hook psychology including neurological factors that compel continued reading, attention thresholds, and engagement triggers 2. Hook formula library with 40+ opening line formulas organized by content type (tutorial, listicle, analysis, story, opinion) with examples 3. Curiosity gap framework for written content - creating irresistible questions without clickbait 4. Personal connection openings sharing relatable experiences or surprising statistics that resonate emotionally 5. Contrarian hook formulas positioning unconventional perspectives that intrigue 6. Story-driven hooks opening with compelling narratives that create engagement momentum 7. Question-based hooks that make readers curious about answers 8. Statistical or research-backed hooks using surprising data points 9. Promise-based hooks clearly articulating reader value and what they'll learn 10. Engagement hook variants for different platforms and contexts (blog, newsletter, social, ads) Include hook examples, before/after comparisons, and engagement data.