'He made that clear - it was all crude, yucky stuff. 'The final straw came when I arranged to meet him to discuss our marriage.
I asked him to meet me at 6pm that night - knowing full well that he had arranged to meet "Laura" too. Would he choose me or her - a woman who didn't even exist? He said he couldn't see me because he had an "important meeting" that night. That was the moment I knew our marriage was over for good.' It has long been accepted that modern technological advances are changing the way we conduct real-life relationships.
By May, they decided to leave their home in the Midlands and emigrate to Australia.
'We loved the idea of the sun and the opportunities there.
His replies to his newfound Facebook 'friend' were flirtatious from the off, and culminated in crude sexual suggestions.
At several points he tried to arrange a meeting with his young admirer, clearly expecting a sexual encounter.
'I'd write them in text speak, or insert abbreviations.
I'd even add the odd spelling mistake, just to make it more authentic.' Well, Simon, 44, was certainly fooled.
'Stella was just a few weeks old when this all really started,' she says.
Soon after they married - they had met through mutual friends - they bought a hotel together, using Steph's family experience (her parents were in the business).
For five years, they lived and worked together, 'quite happily'.
Little wonder his jaw fell to the floor when his wife hit him with the news that his internet 'conquest' was actually her, furiously tapping into her own laptop and raging as she read his suggestive responses.
Today, as the dust settles on their divorce papers, she is still angry.