Answer:
I must be broken before you can use me. What am I?
I am wood that is neither hard straight or crooked
I am a bow that can never be tied or broken but can disappear. What am I?
I am always in front of you, but you will never see me. What am I?
They took me from my mother's side where I was bravely bred and when to age I did become they did cut off my head. They gave to me some diet drink that often made me mad but it made peace between two kings and made two lovers glad.
I am rarely touched but often held. If you are smart you'll use me well. What am I?