Cat: "ah yor DogFu style is no match for my CatPaw technique. Dog: Yow! watch the eyes!
Dog: " Let's see how good your Cat paw technique is with only one paw.
Both: " OK that was fun, but right now time for a nap...
Xena (the wonder dog) and his Pal Ewe, spend a lot of time daily in these mock fights. No harm done to either. Just having fun playing. And napping.
Sounds like a recipe for a happy life.