Your cherry scented cigarette emanated a dim glow, the only source of illumination in that pitch-black night. A chilly breeze was blowing against your back as you sat on the rooftop.

You turned to the man next to you and offered him a cigarette. He stared at it in silence for a moment, then shook his head and lowered your hand.

He spoke quietly, without even looking at you. "I can't smoke."