Answer:
It holds no blessings in disguise. Its rhymes are aimed at your demise, it's cast only to ruin, Whatever you are doin'.
I have legs but walk not, a strong back but work not. Two good arms but reach not. A seat but sit and tarry not.
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
Round as a button, deep as a well. If you want me to talk, you must first pull my tail.
Surname of the pilot of the Millennium Falcon.
The warmer I am the fresher I am.