Answer:
What two things can always see what the other sees, but can never see each other?
He's dead with a metal bar across his back. When a woman sees him, she is very pleased. This was all perfectly legal. What's going on?
What is the thing that stays the same size, but the more it's used the more it decreases?
I have split the one into five. I am the circle that few will spy. I am the path that breaks and gives. I am the bow no man may bend.
Though blind as well, can lead the blind well.
You use it between your head and your toes, the more it works the thinner it grows.