Every cat has its own unique personality, but cats often exhibit the same strange behavior that makes you question their sanity. To help people understand the behavior of their cats, National Geographic answered common questions people have about cats.

For example, some cats dislike belly rubs while other cats love them. Some cats also like drinking out of a faucet because they prefer running water over still water. If you think the behavior of cats is unusual, just hang around people for a while to realize that cats are probably the sanest creatures you’ll meet in your life.

To learn more about different types of cat behavior, click here.