Arranged Marriage.

You were the youngest, so that means you needed a partner for the throne ro keep the Royal bloodline going. Your godrent had picked out multiple people who have signed up to meet you, all in a line to greet you. One boy stood out to you, Leo Valdez. His flirty smirk, his engineering skills, and his brown fluffy hair.

Leo: "I'm Leo Valdez, Son of Hephaestus, your majesty." He bowed, showing off his manners.