But then the next day, his Blackberry vibrates with a message from an address he's never seen before. And when he opens it, there's an attachment of a picture of Tokyo seen through the rain from a high-up hotel room, and a brief message that says "don't wish you were here. wish i was there."

Rodney's mouth quirks, and he replies with a screed on the importance of capitalisation and the perils of unhygienically prepared sushi and how Radek this morning had actually had to take pictures of a kitten who'd fallen down a well--and he finishes it with "Do you know when you'll next me back in L.A.? RM", which he feels is quite possibly the definition of nonchalance.