How does Calypso allow Odysseus to Leave her island?

Calypso allows Odysseus to leave her island after the intervention of the god Hermes, who is sent by Zeus to deliver the message. Despite her deep love for Odysseus and her desire to keep him with her, Calypso ultimately obeys the command of the gods. She helps him build a raft and provides him with provisions for his journey home to Ithaca, showcasing her respect for divine authority and Odysseus's yearning for his homeland.