"The Mudblood, she loves you, there's a reason she was so angry and upset when she caught us, why she has been uncomfortable with me, moreso since then, please don't tell me you are stupid enough to have not realize". Narcissa was starting to show a surprised expression. "you didn't did you. You had no idea". There was a brief silence, which was broken by Bellatrix, trying not to get sucked into the thoughts and actions of this situation. "I had some idea. She seemed different in some way...but no, I admit. I didn't realize that was what it was". Narcissa was angry. Not only for the older witch betraying her but the fact she has been ignorant enough to know she had no idea what was happening.