Calypso was a gorgeous Titan who had sided with her father Atlas, and the other Titans in the war. The Titans had lost against the Gods, and now all those who suppoted the Titans were going to be eternally punished.
Zeus decided that she was going to be banished to a unescapable island called Oggyia, where she will spend the rest of her days. as further punishment, every now and then he would send her a man who was in love with someone else, so she would fall for them but they never fell for her.
She was very unhappy for centuries.
One day she found a man she fell in love with. His name was Odysseus
But like most men, he had to go.
One day, she found that Odysseus got her pregnant, and she gave birth to twin sons Nausithous and Nausinous. This was her neverending cycle forever.