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.
I'm where yesterday follows today and tomorrow is in the middle. What am I?
I lose my head in the morning and regain back it at night.
I am owned by every man though my length differs. Their wives uses me after getting married.
What has keys but no locks a space but no room and you can enter but can't go in?
The strangest creature you'll ever find: Two eyes in front and many many more behind.