[Elizabeth looks back, raising her eyebrows in surprise. She hadn't expected the offer, but if it means she doesn't have to walk with her coffee in danger of slopping against the lid, she'll take it.]

Oh-- well, thank you. [She smiles and settles on the bench at a polite distance, taking care to split it evenly.] It is a little weird, isn't it? How people work hard at maintaining their personal bubble and the personal bubbles of everyone else? At first I thought people didn't want to sit next to me on the subway because they could sense I was American, but then I just realized nobody wants to sit next to each other if they can help it.