A science-based guide to understanding subtle signs of feline frustration, boredom, and emotional imbalance. Most indoor cats are not truly thriving. They are safe, loved, well-fed—and yet, quietly, something is missing. Unlike dogs, cats don’t express distress in obvious ways. They don’t whine, beg, or seek constant reassurance. Instead, they adapt. They become quieter. Sleep more. Or sometimes, the opposite—restless, irritable, unpredictable. Subtle shifts that are easy to