ANNABETH/THALIA.
He does, but you can go ahead and threaten him anyhow. He needs kept on his toes.
You did, but we can talk more about that later. We didn't know about the Romans, or them about us, because there'd been so much fighting between the two over the centuries. Deadly battles with huge body counts. Personally, I don't think the gods wants us to work out our rivalry and join forces, we'd be too much of a threat. The Roman demigods live almost completely self-contained.