His companions, in that climactic bout, are played by DeeDee Luxe and Calamity Chang, two names that made me happier than anything else in the film.

NEWYORKER: Hot and Bothered

Karen argues the husbands were already using the website and, if anything, she is doing them and their wives a favour, by sending the men home happier than they were before.

BBC: Serial mistress claims she is helping ailing marriages