They need to have their mother s nipples to suck on and get the natural milk that she provides. If a mother isn t available, it s very important that a substitute bottle to represent a nipple that allows the cat to get milk. The second instinct a cat obtains is the one to knead. Kneading is the phenomenon of scratching around on a fabric or on its mother s breast and signifies excitement or arousal. When a cat kneads, it is happy and comes natural to cats as early as just a few days old.
Cats also have a sexual instinct.
Domesticated cats know they want to chase after cats of the opposite sex. This instinct may begin at an age of just four or five months old. You need to be prepared. In the wild, cats are monogamous with their partner. But in domestication, cats can chase after whichever other cat they want.