Hermes tells Calypso she must let Odysseus go.Calypso helps Odysseus build a raft to leave the island.
an axe and adze
Odysseus wants to leave Calypso and her island because he wants to go home to Ithaca. After the Trojan war, his ship was tossed off course and he has been trying to finish his journey since.
She sensed she would have to let Odysseus leave.
Calypso allows Odysseus to leave her island after Athene asks Zeus to tell Calyspo that if she doesnt allow Odysseus to leave her island that if she doesnt that Zeus will strike her with a thunderbolt and kill her as he is not a prisoner to her island and need to get home to be with Penelope (his wife). Zeus sends Hermes the messenger God to tell Calypso. Although Calypso is furious and doesnt want Odysseus to leave, she lets him because obviously she doesnt want to die so she helps him build a raft and gives him gifts for his journey home.
Odysseus was weeping on the shore of Calypso's island, feeling trapped and longing to return home. Hermes arrived to deliver Zeus's message that Odysseus must be allowed to leave the island and continue his journey back to Ithaca.
In book 1 of the Odyssey, Odysseus is trapped on the island of Ogygia by the nymph Calypso. She detains him there for seven years until the gods decide he should be allowed to leave and return home to Ithaca.
Hermes is sent down to Calypso, telling her that the gods wish for her to release Odysseus. Therefore, it is Calypso who allows Odysseus to leave, not Odysseus who 'manages to say no.'
This part talks about how Odysseus was able to leave Calypso's Island and get to the Pheacians land. Odysseus is still on his journey to get back home.
they have a good time, and odysseus doesn't want to leave, but they make him, the gods said no more of this madness
Athena told her father Zeus that Odysseus wanted to go home to see his wife and son so Zeus told Hermes to go and tell Calypso to let Odysseus leave her island. She agreed and told Odysseus to make a boat and she gave him food and wine for his journey
He stays so long because of her sexual seduction and he has not ship to leave on and Calypso will not help build him a ship. Until Zeus convinces her to allow him to leave that is when she supplies Odysseus with thing to make a raft but she doesn't help him build it.