This article highlights 16 signs that indicate a cat is happy and healthy. These signs include a clean and glossy coat, bright and clear eyes, a good appetite, a content and relaxed body posture, and playful behavior. Other signs include seeking interaction with their owners, purring, kneading, and showing affection. A cat that is healthy will also have regular bowel movements and a clean litter box. Overall, these signs demonstrate that a cat is leading a joyful and thriving life.