Luther turned back to the bubbly girl (Vera) who just introduced herself, after making sure she was talking to him, he tried to talk over the chatter of the Great Hall and extended his hand "Hello, I am Luther. My father was a Ravenclaw and he says the same thing about there but I like the red better, to be honest. Also, 'not recommend' implies it is allowed, can I?" with a small mischievous smile on his face.