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.
So I paid £119 for a month's membership, giving me an entre to thousands of faithless females.
They are allowed to sign up for free as a way of ensuring the numbers are balanced between the sexes.
I register, and enter the murky world of two-timing technology, taking note of the warning on the site: "Not all affairs have a positive effect on a marriage." What a masterpiece of understatement.
I wonder if anyone has ever read this, seen the wisdom of it and decided not to join. "I'm witty, charming, handsome and modest, and I'm kind to animals," I write, hoping this description will have a fairly broad appeal, and also include a recent photograph.
But in the modern world, in which the internet has become a vehicle for all manner of impropriety, she regards this kind of behaviour as perfectly acceptable.We have encountered one another via an internet dating service established for the sole purpose of enabling married people to commit adultery.