Nowadays no self-respecting gay play can be staged without full frontal nudity of some kind. It feels like the default response for the modern gay play now that gay rights are no longer an issue . Afterglow, currently playing at Southwark Playhouse , serves it up in spades. From the beginning, three men are in a bed, naked. There’s what appears to be a very brief exhalation of ecstasy, before the obligatory rush to the shower. But the gratuitous nudity and excellent performances can’t conceal this is a pretty conventional and predictable story about a fantasy couple. The three men in the simultaneous orgasm at the start of the piece are Josh, Alex and Darius. Josh and Alex seem to live in a New York world where they can afford a rooftop apartment in Manhattan while holding jobs as a theatre director and a grad student in chemistry. As writer S. Asher Gelman based it on his own experiences, perhaps gay plays with full frontal nudity are the way to achieve financial security