There’s nothing sexy about a sex party

‘Sorry sir, the rules clearly state that all single men must be accompanied by a woman.’ As the frustrated guest is ushered off the premises, my female companion and I are welcomed into a grand reception room where the organised sex party is being held. A barmaid offers us some complimentary condoms and a handful of Quality Street, along with some fluorescent orange punch served in plastic cups.

The organisers of tonight’s paid event claim they cater for the world’s ‘sexual elite’ but there’s...