Answer:
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk
As soft as silk, as white as milk, as bitter as gall, a thick green wall, and a green coat covers me all.
What is often returned, but never borrowed/
Runs smoother than any rhyme, loves to fall but cannot climb!
Late afternoons I often bathe. I'll soak in water piping hot. My essence goes through. My see through clothes. Used up am I - I've gone to pot.
I have two eyes in the front and a lot of eyes on my tail