A cat can be your best friend if she gets a good healthy environment. Freedom is its basic need you cannot tie belt on the neck of cat-like you can tie on the dog. If you keep a dog tie with belt will sit at one place but if you tie a cat she will become dangerous she likes freedom.
We all know Tom & Jerry stories: It unlikely that two enemies become friends , but it is possible because its cat mind who decide ,she is also a guardian from other world. All rats cant be friend of cat but some of them can be.
There are many cartoon character created on Cat who fights , loves care for their friends such as Sneak & cat, Hanna Barbara, Disney world, Pom pom, Scratchy , Hello kitty,
Cats are the silent player & do not jump much & not like to run fast as dogs but they are home inside players & some time lazy bums who take rest . Two cats never be friends for long time because both has same food & same nature.
We all know dogs & cats never be together because they feel that that their care & share is divided in the house . But if we treat them good they can be good friends.
Having Cat friend is always good as they keep your secretes & alert you in case of any danger. Cats do follow routine also so if you are routine friendly you will love cats as your pet.