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.
What I don't know is how her husband will feel about it. Aside from the little matter of her marital status, she also believes I have a wife, but she doesn't care.
"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.
Postings such as: "I want a man who can look after me and knows how to treat a woman. I'm surprised and unsettled by the forward tone of some of the material. Determined to avoid the connotations, I reply: "The Beatles." I never hear from her again.
In February 2017, 27-year-old Scott Lazenby was jailed seven years for raping one woman he met on the site and molesting another victim in front of her own son.
Lazenby, from Colne, in Lancashire, had exchanged messages with both via Plenty of Fish website before arranging to meet them both on “dates”, Burnley Crown Court was told.
Originally established in 2003 by founder Markus Frind, he managed to gain ten million users while running the site from his bedroom.