Why cats rub see in our legs?

it is a sign of affection and also to show that you are theirs.

Not a problem, everybody has something that they don't know.

I have a cat and sorry i don't know

Cats have glands in their cheeks that mark territory just like the ones they have anally. They'll often rub against you or other things to leave their own scent and try to cover your human scent. He or she is effectively marking you without the stink of urine.

Cats rub themselves around legs is marking their territory and trying to say that they love u. By marking their territory, they are letting other cats know that she has already taken u and that other cats should stay away from u.

Cats are curious animals ~ They smile by blinking at you~ its a way of saying ~ your ok.
They are accepting you as part of the pack, rubbing is part of marking their territory whether its you or a place.
I once knew a black cat that was rearing kittens secretly, she would talk to you if you talked to her, she liked milk, but it had to be fresh.
She had a mutual respect and would walk along beside keeping company on an excursion, at a certain point on the trek she would stop and say that's it~

Cats rub against people to communicate, leave their scent, show affection and claim their companions. Rubbing against legs is also a form of feline greeting. ... Cats have glands in their cheeks that mark territory just like the ones they have anally.

cat rub there body to the owner leg to show the love and affection towards the owner or master

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I Tank So They Show You They Like You, Some Time My Cats Do The Same Wen They want Food Or Others stuff like treats

Cats rub their faces on things for many reasons, depending on the context or object being rubbed.

Cats rub against people to communicate, leave their scent, show affection and claim their companions. Rubbing against legs is also a form of feline greeting. ... Cats have glands in their cheeks that mark territory just like the ones they have anally.

My Cats Every days doing that wen they want food or treats

I Tank So They Show You They Like You, Some Time My Cats Do The Same Wen They want Food Or Others stuff like treats

Maybe she/he would like to catch your eyes.

I have a cat but i dont know