Change the past and make him immortal
From Create Your Own Story
You change the past so that he accepts immortality and becomes the god of sex, tides and time. He joins the Olympian council and is now an Olympians. You also change it so Luke Castilian is alive and well so you can do some fun with him. You and Annabeth remain friends but you secretly having feelings for her.
The second giant war is also won and now you can do what ever you like. You just sit there until you feel horny.
You decide:
Go fuck a god or goddess (percy god)
go fuck a demigod or demigoddess