But if I'm going to find out what really makes these women tick, I need to leave the safety of the virtual world and see them for myself. I arrange to meet a 41-year-old mother of two who misses "romance and flirting", in a cafe in two days' time.
She has declined to tell me her name, so I have to think of her as her web sobriquet.
Whether you’re a “sugar baby” looking for a wealthy boyfriend or girlfriend, or an older person looking for a hot young thing to use as arm candy, this popular app has 3 million users looking for either sex or companionship.
Yes, it’s a polarizing app, but it definitely has an audience.
After a quick search, I get the measure of the women on the site.
"My preference is for a man who is much younger than me with rugged features," says one. This is a way of paying someone a compliment without typing out the words. And over the course of a week I get almost 100 replies, messages and propositions.
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I'm already starting to feel like I've had enough of this experiment.
This is how I find myself waiting for "Sophia Loren".
She seems rather on edge and sends me a text message at the time we're due to meet asking why I'm using the website.
Many of them are middle-class, many have young children.
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.