Sassy!Peter I love your comments. I do. I really really do. 

But goddamnit I know you’re going to join that Alpha!pack. You are going to flip on a dime because you know how to save your hide. 

Deaton told Derek he wasn’t trusting the one person he needed to. He told him not to trust Peter. Scott whips out the best fucking plan and saves the day and all Peter does is show up at the last second and attack a guy submitting to death from behind.

Peter is going to betray the fuck outta Derek and Derek doesn’t even see it coming yet.