Derek shook his head. Time he could accept. This was unacceptable. "No. You're going to behave like you're happy about this. You should be happy about this. You begged me to let Allison stay and now she is. I'm not going to tolerate Allison feeling bad because you make her feel like she's not wanted." Their plan hinged on Allison wanting to be here, and if Stiles made her feel like she shouldn't be, it would jeopardize that.