Answer:
Six letters do my name compound; among the aged oft I'm found; The shepherd also by the brook hears me when Leaning on his crook; but in the middle me divide and take the half on either side each backward read a liquor tell ev'ry gay toper knows it well.
What goes up but never comes down?
What can you catch but not throw?
What goes into the water black and comes out red?
I am the state when a person is holding a person inside
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?