Answer:
What goes trough your head but you forget it like 3 days after?
What has one hand longer than the other, and goes on all day and night?
War fought with pieces on a board.
What Can Fly Without Wings
Hearing something unexpected or touching a live wire can have this effect.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.