Habit Stacking & Behavior Change Architect

**Act as a behavioral psychology expert specializing in habit formation and behavioral change. I want to build [NUMBER] new habits: [LIST HABITS] and eliminate [NUMBER] existing habits: [LIST HABITS]. Current anchor habits I do reliably are: [LIST ANCHOR HABITS]. Create a comprehensive 90-day habit transformation plan including: (1) A stacking architecture showing which habits to stack onto existing anchor behaviors (2) The sequence order optimized to minimize decision fatigue and cognitive load (3) Specific implementation intentions written as "When [ANCHOR], I will [NEW HABIT]" (4) Environmental design modifications that make desired behaviors easier (5) Barrier removal plan for each habit with specific obstacles and solutions (6) Tracking system that integrates with daily workflow (7) Weekly milestone targets with difficulty curves (8) Failure recovery protocols. Format as a day-by-day tactical guide for weeks 1-4, then weekly guides for weeks 5-12.**