Answer:
What goes through cities and fields but never moves?
I don't live within a house nor do I live without. Most will use me when they come in and again when they go out.
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams dreamt my merest touch brings laughter.
The time between daylight and darkness when blood drinkers like to come out
A young man wants to have me but when he has me, he no longer wants me. What am I?
I have two bodies joined together as one. When standing still I run and run.