Generally, a cat’s personality will basically stabilize around 6 months of age. Kittens aged 2 to 4 months are the most active and naughty, curious about everything around them, and more playful. At the same time, cats at this stage are also developing rapidly, and many habits and personalities are gradually being developed. ​​​​​​

Most cats will have their first estrus around 6 months. A cat's estrus indicates that it has reached sexual maturity, the hormone levels in the body have increased, and the cat's personality has basically stabilized at this time.