User blog comment:Alexa12/The Finale Sucked./@comment-3570981-20120815213000/@comment-68.117.248.212-20120817233259

Pack members aren't like soldiers or slaves...they're just friends that help each other out when they need it. So, Peter, Scott, and Isaac are all part of Derek's pack, but Erica and Boyd aren't at the moment, because they abandoned Derek, and are now refusing to help him.