The cat is a cat's natural and should not interfere with reproduction. Exposure of other assets of the cats can help with the game when the game seems to get intense. Have plenty of toys for cats to play, its zero position himself or his own area to play in.
With multiple cats in a home, you will need to create an environment for each cat has a place to feel comfortable. Some cats are able to adjust to other cats in the house and share. With the different races and natures of the cat, also depend on the cats are able to share an area. There are breeds of cats that are found naturally only a pet and not be at home with gifts from other cats or dogs around. These types of cats have high stress and quick aggression towards other cats. More information about the type of races that live and those who need their space. There are plenty of books and websites for you to check out.
Hitting your cats will not accomplish anything, which will make your cat is afraid, and not eligible to communicate with your cat. Training will be impossible, since communication is the most important thing when training your cat. The physical punishment of any animal is never a good thing for any animal. Remember that your cat is a companion and friend. We, as humans, never physically or mentally hurt our loved ones or friends.