It's the War and you are comfronting your father, Voldemort.

You: "Come on, murder me. Murder me like, you murder my mother!"

Voldemort: "Sorry, sorry."

You: "Murder me, like you murder my mother! Come on! Murder me! MURDER ME, LIKE YOU MURDER MY MOTHER!"

The professors were watching in worry, shock and concern, even the Weasleys family, Molly have tears in her eyes. Draco swallow a lump, everyone wanted to cry.. yes, you are Voldemort's daughter, but they didn't want you to die.