I think its just about Bella in general...when she starts to fall for him...(like in this part)
You got it, you got it,
Some kind of magic.
Hypnotic, hypnotic,
You're leaving me breathless.
I hate this, I hate this,
You're not the one I believe in.
With God as my witness.
(She talking about how he has such a huge affect on her..way he looks at her,talks to her..everything)
thats just wut i got...