But once every fortnight or so she tells Peter, 48, a company director, that she's meeting a (well-briefed) girlfriend for dinner.
Instead she goes to a motel room to see her lover, Michael, also 46, a medical sales rep whom she met at a conference.
'It used to be very much an empty-nest phenomenon for the over-fifties, but this week alone I've met five new women all under 40.
Women in their twenties and thirties belong to the "Because I'm Worth It" generation.
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.