Rodney blinks and makes a small, choked noise because John's licking his skin and, oh, oh god, sucking gently over the heel of his thumb and apparently he really likes beer. Or - or, outside chance, he likes Rodney, but . . . is there any beer left on his skin now? Is he licking up beer or licking up the taste of Rodney and -

Rodney's toes curl and his eyes fall closed before he can finish the thought. Oh, god.