In 23 Penelope doesn't believe that its Odysseus even when she sees
him face to face. She thinks that a god is playing a trick on her. She
finally believes that its him when he talks about how the bed was made
and everything. Odysseus decides that beings they have just killed all
the noble men of Ithaca they should keep to themselves for awhile. But
Telemachus and Odysseus have to go to Laertes' so they are cloaked in
the dark so no one can see them and while they are gone Penelope is to
stay in her room and except no visitors.