" Can I have baby cows?” Meg asked.
“Well, Meg,” I said, “first you would have to have some mommy cows. You see—”
“Guys,” Percy interrupted. “So, just to recap, you have to be Meg’s servant for…?”
“Some unknown amount of time,” I said. “Probably a year. Possibly more.”
“And during that time —”
“I will undoubtedly face many trials and hardships.”
“Like getting me my cows,” Meg said.
I gritted my teeth. "

― Rick Riordan , The Hidden Oracle (The Trials of Apollo, #1)