Zhao Yin: "Your Majesty, think about it, what has been the greatest taboo for men since ancient times?"
"Taboo?" The Emperor thought for a moment, shook his head, indicating he couldn't figure it out.
"A green hat."
"A green hat?"
"Yes, the greatest taboo for men is wearing a green hat. Even if he doesn't love that woman, as long as she's marked as his woman, if she has an ambiguous relationship with another man, he can't tolerate it. It's a sense of humiliation, a feeling of shame." Zhao Yin's voice carried an eerie aura, probably because he spent too much time with Gu Insects, making him exude a sinister vibe.
The Emperor was deep in thought, rubbing his chin, murmuring to himself, "A feeling of shame? Good."
Zhao Yin looked at the Emperor, with an inquiring tone: "Your Majesty, is this idea good?"
The Emperor: "Not bad, quite good. It can let the Fourth Prince have a try."