But while society has long recognised the concept of men being attracted to young women regardless of their own age, it has only recently been forced to consider that older women might be attracted to younger men in much the same way.
But that was years ago now, when David was still relatively young and fit; when he would stride around the garden, his muscular arms making light work of it all, and still have plenty of energy left for me.
All these years later, I can still picture exactly what he looked like back then: the sharpness of his jaw, the way his fringe flopped slightly over his eyes at certain angles, the tautness of his bottom when he walked naked across the room.
Last month, the publication of a study from the University of California revealed that men and women are equally attracted to younger partners – even if they don’t consciously realise it.
Which might not sound like a strong basis for marriage, but all these years and two kids later we’re still together, so it was clearly a good enough start for us.