Answer:
Round as a button, deep as a well. If you want me to talk, you must first pull my tail.
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.
I pass before the sun, but make no shadow.
He has married many women, but has never been married. Who is he?
What binds two people yet touches only one?
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.