Books
The moon is a friend for the lonesome to talk to.
— Carl Sandburg · Moonlight and Maggots

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Someone who feels alone finds company in the moon. It is an image of a quiet, patient listener overhead, always available and never interrupting, which makes it a comfort for anyone with no one else to talk to on a dark night.
Context reviewed