"Or it is the exact opposite of these two," Cheng Xiu said to him. "What do you think is the difference between a mistress and a Queen?"
San Zhe blinked. "The King favours one more than the other?"
Cheng Xiu rolled her eyes. "Nonsense. That is not true. If a King favours his mistress he could just make her his Main Consort. The fact that there are two Queens indicate that both the women are influential and that they are in a cooperative relationship. That is the only way that both can exist."
"Didn't you just say that the King might have a Twin fetish though?" San Zhe asked in confusion.