" She stared at him for a long while, not speaking, not moving. Finally she said, "You want the truth, I'll tell you. But the information will cost you. We' Il trade. A question for a question."
"Done. What do you have that Cronus wants?"
"I have a...a...damn it, Lucien. I have a key, okay.
Happy now?"
"Yes. There. We have both now answered one question."
"We both have no— Damn you! I did ask a question, didn't I? Happy now? Score one for you. "

― Gena Showalter , The Darkest Kiss (Lords of the Underworld, #2)