Answer:
I love spinach.
You turn me over after you have traveled far. What am I?
I am a mountain at night, meadow at day. What am I?
The warmer I am the fresher I am.
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?
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.