Read it through once

At the end of the room there was a little staircase, leading to a darkened chamber. As Dorian hurried up its three rickety steps, the heavy odour of opium met him. He heaved a deep breath, and his nostrils quivered with pleasure. When he entered, a young man with smooth yellow hair, who was bending over a lamp lighting a long thin pipe, looked up at him and nodded in a hesitating manner.