What does it mean when cats have nine lives?

The saying "cats have nine lives" is a metaphor, meaning it's not literally true. It's a way to express the idea that cats are:

* Agile and Lucky: Cats are known for their incredible reflexes and ability to land on their feet from falls. This often makes them appear lucky and able to survive situations that would be fatal for other animals.

* Resilient: Cats are surprisingly tough and can recover from injuries that would be serious for other creatures.

* Mysterious: Cats have a reputation for being independent and somewhat aloof, which can make their actions seem unpredictable and even magical.

The origin of the saying is unclear but likely dates back to the Middle Ages. Some theories include:

* Cats' ability to survive falls: As mentioned, cats' natural agility and balance allows them to land on their feet, making them seem almost invincible.

* Cats' night vision: Their ability to see in the dark contributed to the perception of them being "magical" and able to move unseen.

* Cats' association with witchcraft: In some cultures, cats were linked to supernatural powers and magic, further cementing the idea of them having multiple lives.

Ultimately, "cats have nine lives" is simply a fun way to express the idea that cats are remarkably agile, resilient, and seemingly lucky creatures.