Rick Riordan said this quote

You do understand that I must find a way to return to Olympus,” I said. “This will probably involve many harrowing trials with a high chance of death. Can you turn down such glory?”“Yeah, I’m pretty sure I can. Sorry.”I pursed my lips. It always disappointed me when mortals put themselves first and failed to see the big picture—the importance of putting me first—but I had to remind myself that this young man had helped me out on many previous occasions