"Keep a Mistress in a Golden Nest? What's the meaning of this allusion?"

Long Tianyu read a lot of books from childhood.

He was not a universal talent and didn't have extraordinary talents, but he was a knowledgeable man. But today he was stumped by a question of his Princess.

"This is a royal anecdote. A prince called Liu Zhi became King of Jiaodong when he was four years old. One day he told his aunt that if he could marry his cousin Chen Ajiao, he ...