She lay down on the couch next to him and fell asleep . * Spike sat on the arm of the couch , his long black coat wrapped around him , smoking . Buffy sat up . " William 's gon na kill you for smoking in his apartment . " Spike shrugged .
Why would William be upset ?
Pick the best answer from the following options:
- They do n't like the fragrance of Buffy .
 - They do n't like the odor .
 - They do n't like Buffy .
 - They do n't like the couch .


They do n't like the odor .