You were Hades, king of the underworld. Most gods have children with humans, thus creating demi-gods. You weren't very interested in humans, but you heard that Poseidon had had a son, breaking the agreement he had made with Zeus and you— Of course Zeus broke the agreement first —.
You were curious, you hadn't seen children of one of your brothers for a long time. And for a long time, you watched Percy and Sally Jackson. Sometimes you even pretended you were mortal just to analyze it up close, like the cafeteria attendant, or the substitute teacher at the school. It took you a while to realize that you really felt enchanted by Jackson's. Until Sally found a husband, of course, she only married him because he smelled so bad and that would mask Percy's scent and keep the monsters away. But did it make you jealous, a woman as precious as Sally, married to a bastard like Gabe? So little by little you approached her, pretending to be a mere mortal human.
It wasn't a surprise when you found yourself in love with her, you went undercover as an employee at the candy store Sally worked at. Every day she looked more incredible. You couldn't contain yourself for long and ended up telling her that you were a God, like Poseidon and his brother. You figured her reaction could be better, but you didn't understand humans that well.
Now you were in the candy store parking lot and you were trying to stop Sally from leaving in the storm. The truth is that she had also fallen in love with you, but she didn't want to have a relationship with a god again.
"No, Hades I can't do that again. This is a mistake! I can't put Percy in any more danger!"
She screamed towards her car as the rainwater left her soaking wet by the second