Rubbing the stomach makes the cow stretch its head, giving it better posture while showing.
Because (s)he wants you to rub his/her belly.
fall on the floor because they want cheese
Ducks/cat-rub up down Horse/dog/sheep/cows-rub left to right
Cats lick their paws to clean themselves and then rub their head to spread their scent, marking their territory and showing affection.
He is just showing affection towards you and is waiting for a sign from you as he is subtly coming on to you.
they rub that on there hair to get better smell and some times to eletrify people when they rub and then touch some one
It's is an oil that repels flies and other insects.
Its just in a cats nature, her way of showing her love and loyalty to u :-)
When people are getting tired they rub their eyes because on their eyes having lot's of pressure because of work. They want to get fresh that's why they rub their eyes.
When old people need u to....
because hey, why not? am i right?
You can feel heat when you rub your hand together!