"I-- know Stephen... I know," Matthew said hoarsely, obviously close to tears again. "I'm completely irredeemable! I mean..." But whatever he meant was lost, to Stephen's lighting up a cigarette! After he'd explicitly begged him not to! He remained silent on the point, however, struggling not to inhale too much of the smoke himself, and also trying to politely stifle his cough from the little bit he couldn't help but breathe in...
It soon became obvious, however, that a little bit of nicotine-laced smoke was the least of Matthew's problems. He didn't want to leave with Stephen, naturellement! Particularly not, as he deigned to say aloud, "No, Stephen, no! I don't know anything -- aside from the obvious, public information! The man is a complete enigma to me! You can torture me all you want -- Lord knows I deserve it -- but... I shan't be able to tell you anything, regardless! Please, Stephen, just... go away, leave me to deal with my father in my own way...!" Thinking, perhaps, that taking out his own wand and demonstrating his duelling skills on this scientist would make him go away in peace -- not that he wanted to actually hurt Stephen, that is! -- he reached for his pocket and fumbled out his wand-- which... he promptly managed to drop.
"Damn," he muttered to himself; though his words weren't yet slurred, it was obvious that he was too inebriated to fight. He looked up at Stephen, with a weak ghost of a grimace crossing his features, oh so terribly briefly, that it might not have even been there at all...