All the women I spoke to were obsessive about covering their technical tracks.
Laura, 51, a reflexologist from Hertfordshire, with a teenage son, has had three affairs over the past 10 years with men she has met on various websites.
She uses specialised software to make sure her computer shuts down moments after she uses it and its history is wiped clean.
She has two mobiles: one for general use and one for EMAs (extramarital affairs, to use the jargon), which can only be accessed by a pin number and is set on silent mode so that her husband, Brian, an events manager, can't hear texts arriving.
I ended up stuffing all my new buys inside the legs of a manky old tracksuit.
I could have worn them every day but after 13 years of greying M&S pants and flesh-coloured bras Peter would have been rightly suspicious.I have mum friends but I missed the buzz of male company I used to have and I missed the irresponsibility of my old life – going out on a Saturday and not knowing who I might meet, where the evening might take me.' To compensate for this, Wendy decided to take two annual week-long holidays alone.'The kids stay with their grandparents and I go to a spa or shopping somewhere like New York. I do shop and have a lot of facials and massages but I also go out alone to bars in the evening and five times I've met a man.'They probably did online dating when they were single, so that's where they'll immediately head to see what's out there,' says David Miller, who runs Loving Links, an online dating service and one-to-one introduction agency for 'nice, middle-class attached people'.Since founding the business 15 years ago Miller has noted a huge increase in younger female clients.