Answer:
What stays the same size no matter how much they weight?
All about the house, with his lady he dances, yet he always works, and never romances.
I cut through evil like a double edged sword, and chaos flees at my approach. Balance I single-handedly upraise, through battles fought with heart and mind, instead of with my gaze.
The person who makes it has no need for it. The person who purchases it does not use it. The person who does use it does not know he or she is. What is it?
The eight of us move forth and back. To protect our king from the foes attack.
When is it bad luck to see a black cat?