Miles helps himself to a heaping portion, keeping the bottle on his side of their little area. Not that it matters - they're both likely to end up exactly as drunk as the other. Ridiculous, dealing with a double like this ...

He takes a good long sip to steel himself before even engaging with that comment.

"Of course," he says. "You're genetically identical, same as Mark. And I'm older, so that makes you the little brother."