The main way cats distinguish objects is through their sense of smell. They smell each other to understand each other and confirm each other’s information. This is not only true for cats, but also for cats and their owners. If you don’t talk to cats often Together, when you come back after being away for a while, the cat will sniff you to confirm whether you are its owner.

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We often see cats rubbing their butts back and forth between various objects. This is when they are releasing a smell that only they themselves can smell. The taste helps them become familiar with their living environment. Owners who have a good relationship with their cats will also see their cats actively kissing their noses. This is the cat's expression of love for its owner.