Medicine for regret
The worst incident was when an elder's daughter had enough courage to seduce him. Because of this, the woman was burned alive with half of all the elder's properties in the Shizi Empire. Which also served as a warning to anyone else who wanted to dare.
Even if the one involved was an elder, who also belonged to a strong family, the emperor just silently compensated and covered up the incident to not reach other empires. It would've been a great shame if the current leader couldn't control the royalty's action.
Until now Wei Jiayi still did as he liked. He had his own palace, that no other prince had. A private army that only followed his own commands. Even in his own marriage, he had a final say and the emperor couldn't intervene.