Answer:
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
Mobsters judge the quality of a vehicle by the size of this
He has married many women, but has never been married. Who is he?
My tongue hangs out as I run over fields and streets all day. I get tied up every morning and untied at night.
I'm not man's best friend, I'm their enemy, I can mark your end, yet you do not see me, I am very small, but very tough, If you have me, then you have it rough.
A word of five letters, Upside down is the same, A shark does this, But it’s not to blame. What is the word?