Have you ever done anything like that in the past? How did your "break" the glass. Did you throw it at him? If not, then tell him that he was intentionally pushing your buttons and that he can discuss things with your L concerning the living arrangements.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.