The Underworld was given to Hades as his reign.
No, I do not have a vampire lover, therefore I cannot find him.
He broke it off with the lover because he has reflected back and realized he loves his wife and that the lover was nothing but a mear infatuation and that she is nothing compared to his wife. Remember we may think the grasss is greener on the other side but most of the time find out its not.
My Bloody Valentine
There are many ways in which you can find out if your lover is true to you. You can spy on them for example.
many believe that the ancient gods will find their souls and bring themselves back from the underworld.
Find another lover. Drink. Drugs.
Below are three books about Hell/Underworld, gathered from many religions/mythologies.
Tiresias .
Hades resides in the Underworld.
orpheus
You will find underwear in your bed that isn't yours.