Answer:
Never ahead, ever behind, yet flying swiftly past; for a child, I last forever; for an adult, I'm gone too fast. What am I?
I am a tool for fairies.
I will go within you and destroy you. Only because you wanted me too
I can be short and sometimes hot. When displayed I'm never cold. What am I?
What has words but never speaks?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.