all of the bs! "I'll never let anyone hurt our chen'en" you did squat while he was being beaten to death, nor when the assassins rushed into his room. Why does the mother act all high and mighty if so far she has shown the usefulness of a broken vase?
Since it seems like she had the power to protect herself and Qin Chen from the start, she should have just done it instead of letting herself and her son be bullied.