She had a seemingly limitless and boundless enthusiasm. Although John was certain it was a mask, something to conceal a deeper pain. Maybe she was just trying to enjoy herself, take her mind off things. He might have called a person out on it before but he decided to let it go. See what happened.
Why would anyone want to visit Liverpool? Heck, even he had got out of there as soon as he could, moving to London. Maybe she'd understand once she saw it. And hanging around in a taxi was out of the question. Not that John couldn't make the driver believe he had paid him but he didn't fancy spending all day in a cab, in London of all places.
John smiled to reassure her that he was all right. "Train might take a few hours" John pointed out. So long as they got out of London, they could get away from running into trouble, like he had with Bryn. "Maybe we could get a bite to eat?" he suggested.