Hang-dog originally means if you say that someone has a hangdog expression on their face, you mean that they look sad, and often guilty or ashamed.
Answer:
Odysseus returns to Aeaea, where he buries Elpenor and spends one last night with Circe. She describes the obstacles that he will face on his voyage home and tells him how to negotiate them. ... As instructed by Circe, Odysseus holds his course tight against the cliffs of Scylla's lair.
Explanation:
Well you can’t live without food and water because water hydrates you and well food keeps you not from starving cause it could possibly kill you I’m pretty sure so yea