Answer:
You fill it and it empties, A metaphor for plenty, Depending on what half you see, It's either full or empty
Longer than a decade and shorter than a milennium
What must be looked through in order to see?
One who has offended the government and has been detained by it
It's what light turns into in the night
How did the farmer find his wife?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?