Answer:
I am enjoyed by some despised by others. Some take me for granted some treasure me like a gift. I last forever unless you break me first.
I am flora not fauna. I am foliage not trees. I am shrubbery not grass.
Use me if you really want to see inside someone
I have thirteen hearts but no body or soul.
The shorter I am the bigger I am.
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