Answer:
I make you weak at the worst of all times. I keep you safe I keep you fine. I make your hands sweat and your heart grow cold. I visit the weak but seldom the bold.
What force and strength cannot get through, I with my unique teeth can do. 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 can wake you up in the morning but I require no electricity or winding. What am I?
My full powers come when my makers are dead. I await a heavy hat to put on my head. What am I?
Some try to hide some try to cheat. But time will show we always will meet. Try as you might to guess my name. I promise you'll know when you I do claim.