Important ideas of life or human nature expressed
Because she fell in love with him and she didnt want him to go that is her curse she falls in love and they have to leave
He's trying to describe a physical feeling that he's experiencing. He used a metaphor to try to explain his heartache and what he feels about his loss.
"The domesticated generations fell from him" means that Buck is losing his civilized characteristics (B).
In this passage, Buck is feeling more and more estranged from where he and his ancestors ("generations") originally come from: as he gets a taste of wild life, he feels less and less like a pet ("domesticated") and more like a feral dog or a wolf. He is forgetting his stay-at-home ways ("fell from him") and sees new instincts grow in him, such as the drive to fight and hunt in a pack.
