Rick Riordan said this quote
“ Poseidon grinned. You're doing well with those new cabins, by the way. I suppose this means I can claim all those other sons and daughters of mine and send you some siblings next summer.Ha-ha.Poseidon reeled in his empty line.I shifted my feet. Um, you were kidding, right?Poseidon gave me one of his inside-joke winks, and I still didn't know whether he was serious or not. ”