Her stomach flipped when he said that he wasnt there for Bella. That only meant that he was here for her and wanted to talk to her. Has the engagement not come out, she might have been more excited for it, but it had and she was trying to be wary. "Talk to me about what?" Though she already knew what, she just wasn't sure what could be said.
"It's arranged with little say. I know that. But that doesn't mean that it cannot end up with love, or some form of happiness." And there was no way that could happen if she was playing the third wheel, even if Bella told her she didn't have to back off.