Cats like to purr when: You pet them or rub them,if they are playing with their toys,eating, and when they are sleeping .Cats love it when you are petting them behind their ear and also on their backs Cats also purr when they are just by them self. Cats also purr when they are all different emotions.They also sometimes purr when they catnip on things like blankets,and other little things. Cats purr starts from thier brain.
Cats will show that they love you by: When cats crawl up on you ,they are wanting you to pet them like sometimes when you are sad they will climb on you and sometimes lay with you until... you feel better and they run away(lol) Cats just love it when you just pet them and play with them and take good care of them.
This video is about what kittens do when they first are born and able to walk and also first to explore.!
How to know when your cat is mad or gets mad and run away from you: Whenever you hit, kick throw or anything to a cat/kitten they will get mad and either bite, scratch or just run away from you whenever you get close to them. Cats DO NOT like it when you give them baths or you scare them and also when you bother them when their tail is wagging DO NOT pick up cats because when they do not want to be picked up, they will either hurt you with their sharp teeth or scratch you.