Percy Jackson references everywhere!<<<Not a PJO reference, it's a Greek mythology reference. PJO is centered around Greek mythology, thus you get a lot of people who confuse mythology references with PJO references.
Hera chose HIM to be a hero. She took time out of her immortal life to babysit him. And while to him it's creepy, she might have favored the son of Hephaestus all this time. <<<< If that was me I would still hate Hera anyway.