"Thank you," Elizabeth murmurs. "And you have helped me worry less. Honestly."

Despite the knowledge that she would make the same choices again, Elizabeth feels guilty. Guilty over Jack, and guilty for the sympathy she's receiving. For just a moment, she considers telling Tonks the truth of the matter. What's driving her to bring Jack back. But, in the end, she's not sure she wants Tonks to look at her any differently.

After some consideration: "How does Bar work?"