"I already know I'm going to have to pay for it." She shook her head and rolled her eyes in mock-irritation.

But no, no. That wasn't what the Doctor meant. From the way he stood, hands-in-pockets and somewhat closed off, he was trying to keep some distance. Which was right, it was right. She wanted space. She wanted to get out. And there she was, inviting him to chips.

"You're right," she said. "Shouldn't...well."