Grey

“Will put his hand on Nico's shoulder. "Nico, we need to have another talk about your people skills."
"Hey, I'm just stating the obvious. If this is Apollo, and he dies, we're all in trouble."
Will turned to me. "I apologize for my boyfriend."
Nico rolled his eyes. "Could you not―"
"Would you prefer special guy?" Will asked. "Or significant other?"
"Significant annoyance, in your case," Nico grumbled”
― Rick Riordan, The Hidden Oracle