The chip does not affect him when he harms demons, and he often fights on Buffy's side, if only for the pleasure of brawling, though his motivations changed when, in the fifth season, Spike realized he had fallen in love with her.
The chip does not affect him. He harms demons. He often fights on Buffy's side, if only for the pleasure of brawling. His motivations changed. Spike realized. This was in the fifth season. He had fallen in love with her.