There's a part of Rebekah that'd argue that she doesn't want to go because she likes having her own life. Her own choices. And if she returns to her brothers' side she's not sure she's going to have that anymore. But listening to his words makes her smile a little at what he might be implying there.

"Is that your way of saying you think I could be a good influence on the baby?" Because no one ever seems to think she'd be a good influence on anything. She's impulsive, quick to angry and whims. A hopeless fool.

As much as part of her had yearned to be human, to start a family of her own -- what could she really offer to a child?