Learning to Breathe

Non-magic AU. "He's still there; he doesn't want to come out, because he fears that once he does he'll be hurt again." Remus is kidnapped by Fenrir Greyback at four years old. Broken and abused, he doesn't speak. But a certain Black is determined to break the third year at the Hogwarts School for Intellectual Youth out of his shell and become his...*hem*...friend...ABANDONED