Answer:
What binds two people yet touches only one?
They can be harbored, but few hold water. You can nurse them, but only by holding them against someone else. You can carry them, but not with your arms. You can bury them, but not in the earth.
What liquid can contain the soul?
I am so simple that I can only point. Yet I guide men all over the world.
My life can be measured in hours. I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe.
What do angels sing in the shower?