Cats frequently rub their bodies against people, other pets, and objects. While this behavior may seem peculiar, it serves important purposes. Let’s explore the science behind it.

Pheromone Marking and Chemical Communication
Cats have scent glands that release pheromones from various areas, including the cheeks, mouth, forehead, base of the tail, paw pads, and anal region. When a cat rubs against its owner, it deposits chemical messages that communicate its emotional state, sexual receptivity, and territorial claims.

Signs of Familiarity, Affection, and Security
Rubbing is often a sign of affection and positive emotion. By marking their scent, cats create a sense of familiarity and security, indicating acceptance and trust toward their human companions.
Seeking Attention
Cats may rub against their owners to seek attention, often weaving through their legs, intertwining their tails, or head-butting them. This behavior commonly occurs when a cat wants food, affection, or access to the outdoors. If this behavior is unintentionally reinforced, it may develop into a persistent demand for attention.

Greeting Behavior
Many cats greet their owners by rubbing against them upon their return home, often accompanied by meowing or rolling. This behavior, known as allorubbing, is a vital feline social greeting. A 2021 study found that 83% of cats exhibited this behavior when reunited with their owners after separation.
A Pleasurable Experience
Rubbing can also be a self-rewarding activity. When a cat rubs against a person’s body or enjoys being stroked in preferred areas, it creates a pleasurable experience that helps maintain emotional balance in the feline brain.

Rubbing During Pregnancy
Pregnant cats, or queens, may exhibit changes in sociability during the pre-birth stage. Some become more affectionate, rubbing against their owners more frequently, purring, and engaging in increased allorubbing with other pets. These behaviors vary based on the individual cat’s personality.
Conclusion
When a cat rubs against you, it’s more than just a simple act—it’s a complex form of communication that expresses affection, marks territory, seeks attention, and reinforces social bonds. Understanding this behavior helps strengthen the connection between cats and their human companions.
Source: cat.com