Alex is not laughing at him, no. She doesn't want to walk back to London. She just smiles, eyebrows high, grinning at him.

When he's gone, she leans out to see that he's ended up back in front of the telly. "I bought him a little gift, on the way up. In addition to the bottle I left on his desk at work. Can you keep an eye on him for a moment?"

She fishes in her pocket and comes up with the tie pin to show Betty.