Transformation Quotes in New Moon

How we cite our quotes: (chapter.paragraph)

Quote #4

Bella laughs for the first time in months. "I felt so weightless that I laughed again, just to make the feeling last longer." (6.47)

Bella experiences an emotional transformation through Jacob’s presence.

Quote #5

The wolf closest to me, the reddish brown one, turned its head… It gazed at me… the deep eyes seeming too intelligent for a wild animal. As it stared at me, I suddenly thought of Jacob. (10.174-176)

Although Jacob has transformed, his essence or identity still lives within his werewolf body.

Quote #6

Jacob had changed radically in the last weeks since I’d seen him… his beautiful hair… was cropped quite short… his face… hardened… aged. His neck and his shoulders were… thicker… His hands… looked enormous… his expression unrecognizable. The open friendly smile was gone… the warmth in his dark eyes altered to a brooding resentment… (11.114-115)

Bella realizes that Jacob has lost his innocence. He has aged, both physically and emotionally. What might explain his emotional change?