"Oh yes, there’s a reason why so many of your peers have one parent, deranged parents, or none at all. We survived because we chose to side with him. But now he has put my family in danger and Dumbledore has offered us a way out." She placed a scone onto a plate but didn't move to eat it. "You must do as he says Draco - fix the cabinet. Severus trusts Dumbledore and  I  trust Severus with your life. I'm sorry you're all tangled up in this mess, I never wanted this for you."