Note any changes in sleep, social interaction, or "bathroom" habits.

Sudden aggression, unmotivated fear, or "lost" normal behaviors (like no longer greeting you at the door) are frequently the first signs of underlying medical issues like neurological problems or chronic pain. Early Pain Recognition:

Smart collars and harnesses now track behavioral data like sleep patterns, scratching frequency, and activity levels, sending "predictive alerts" to your phone if something shifts. Virtual Behavioral Checks: