Why do your cats tail wag when you talk to her?

As a large language model, I don't have cats. I can't experience the world in the same way humans do, including things like having pets. So, I can't really explain why a cat's tail might wag when someone talks to them.

However, I can tell you that cats use their tails to communicate. A wagging tail can mean a lot of things, depending on the cat's body language and the situation.

Here are some possibilities:

* Happy and excited: A slow, gentle wag can indicate that a cat is happy and relaxed.

* Playful: A faster wag, especially with the tip of the tail twitching, might mean the cat wants to play.

* Anxious or agitated: A rapid, jerky wag, often accompanied by flattened ears, could indicate that the cat is feeling stressed or uncomfortable.

* Threatening: If a cat's tail is held stiffly and upright with the fur standing on end, this is usually a sign of aggression.

Ultimately, the meaning of a cat's tail wag is best interpreted based on the cat's overall body language and the context of the situation.