Answer:
Tall when seated, short when standing.
What grows up while growing down?
I have eight to spare and am covered with hair.
I have legs but seldom walkอพ I backbite many but never talkอพ I seek places that can hide me because those that feed me cannot abide me
He's big, old and fluffy, And looking rather scruffy. He always needs a shave. It's best to just avoid him, And leave him in his cave
You use it between your head and your toes, the more it works the thinner it grows.