York pulls Sigma back and wraps his arms around him, nuzzling his face into the younger man's neck.

'There,' he says, pulling back and looking pleased with himself. 'Now the cat puke that survived the eighteen showers I had at the time and the many I've had in the months since then is all over you.'

The façade has almost completely dropped, but he doesn't really mind. Wash's face is the perfect expression of suspicion and amusement.