Answer:
Sometimes you feel it weigh a ton. Yet it is nothing, but somehow still there. Makes you uncomfortable around anyone, But speak its name and it's gone.
What calls for help, when written in capital letters, is the same forwards, backwards and upside down?
What age most travelers have?
What has thousands of ribs and two backbones?
Brings you May flowers
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.