Day 171Routine OptimizationPrincipleYour routines aren't set in stone—they're experiments you've been running, sometimes for years.The rest of this content is available with a subscription. Subscribe to unlock all 365 days of AI habit-building prompts and principles.Subscribe to ContinueGet full access to all 365 days for $39/yearSubscribe NowLog InTry these free preview days:Day 1Day 7Day 25Day 50Day 100