[One thing about Eren's wolf form is that it includes some instincts, both heightened and unfamiliar, that he has a difficult time controlling. If he were a person right now, he wouldn't pout at Levi's chastising; in this form however, his ears go back, and his head hunches down low. The tail has stopped wagging. Look at what you did, Levi.
okie! I'll stick to brackets
[He yips once. Quietly. Quietly, Levi!]