It may sound like an unpleasant niche website for a handful of amoral people to whom wedding vows never meant very much.
But it claims to have more than 100,000 members in the UK.
In order to fit in with the general ethos of the website I have invented a wife.
And all of them are looking for an opportunity to betray their spouses. But I wanted to find out what sort of woman uses such a site.
Her photograph reveals that the hour has stretched to 90 minutes.
I'm already starting to feel like I've had enough of this experiment.
"I want a man with a personality and looks to take my breath away." These are the requirements of the dark-haired, dark-eyed, 37-year-old Asian beauty who has sent me her romantic wish list.
Reading it on my laptop in the aptly named Cafe Affaire in central London, I consider what she really wants: a no-strings-attached sexual relationship.