Keeping a cat as if it were a human does not necessarily mean that you are mentally ill. Everyone’s way of raising pets is different. Some people may be more inclined to treat their pets as family members and give them more emotional investment and attention. This does not mean that there is something wrong with their mental state.

However, if this way of raising pets exceeds the normal range, such as excessive doting and excessive interference, Natural pet behaviors, etc., may have a negative impact on the pet's health and life. In this case, you may want to consider seeking professional pet behavior counseling or mental health help.

In short, raising cats as humans is not a sign of mental illness, but rather a different way and concept of raising pets. It is important to ensure that your pet receives appropriate care and attention while maintaining a healthy psychological state.