Cats don't actually kiss in the way humans do. They don't have the same concept of affection or social interaction. However, cats do have a variety of behaviors that might appear to be a "kiss" to humans.
Here are some possible interpretations of what you might be referring to:
1. Head-Butting or "Head-Boop"
- What it looks like: A cat gently rubs its head against you, often with a closed mouth.
- Why they do it: This behavior, known as bunting, is a way for cats to mark their territory with scent glands located on their face. They're essentially claiming you as part of their "family" or "territory."
2. Licking
- What it looks like: A cat uses its tongue to lick your face, hands, or other body parts.
- Why they do it: Cats lick themselves and their kittens to groom and clean. They may lick you as a sign of affection, grooming you as they would groom themselves or their littermates.
3. Rubbing Against You
- What it looks like: A cat rubs its body against your legs, arms, or other body parts.
- Why they do it: This behavior is similar to bunting and is another way for cats to mark their territory and spread their scent. It also releases pheromones that can calm and relax them.
4. Slow Blinking
- What it looks like: A cat slowly closes and opens its eyes.
- Why they do it: This is a sign of trust and affection. Cats are more likely to slow blink at people they feel comfortable with.
While cats might not be consciously "kissing" in the human sense, these behaviors are all ways for them to express affection, trust, and bonding with their humans.