Remus grabbed his jumper at the shoulder and attempted to pull him away. He had half a mind to take points away, but he knew that Sirius would just laugh and probably make things words. "Leave him alone, Sirius. This isn't funny." He said.

He had nothing to threaten him with. He could only hope that the seriousness in his voice was enough to dissuade him from his intended actions. Though it rarely worked before so he wasn't sure it would work now.