Who Ruined Ajiao Chen?

Why did Princess Pingyang give away a beautiful woman to Liu Chexu when she was 18 years old under the pretext of being childless for many years? Why did Wei Zifu enter the cold palace immediately after entering the palace, and a year later Wei Zifu, the maid of the cold palace, could see Liu Che again and be favored again? Why did Liu Prostitute go so crazy as to kidnap her unknown half-brother Wei Qing in order to deal with Wei Zifu? Why did Chen Ajiao play the art of bewitching women, and although she was abolished, she lived to an advanced age, and her family was not implicated. Only a bunch of inexplicable passers-by, A, B, B, D, all died unexpectedly.