It was when she was 16, the same age as my eldest son, that I first noticed her amongst the crowd of youngsters who seemed to make our house their club.
She was sitting at the piano in our dining room playing, well, goodness only knows what - that part of the moment escapes me. What I do remember is her smile - and her breasts, bulging gently above her shirt, rising and falling gently as she drew breath, looking soft as thistledown, but firm enough to thrust proudly upwards and forwards.
And she wasn't just pin-up material; she was intelligent and talented as well - the piano was just one of the instruments she played.
A year or so passed and some of the crowd were pairing up, and if I was reading the signs correctly, not just for conversation, but she was still on her own. My wife, a friend and I had subscriptions to the orchestral concert series held in our city and if any of us couldn't make one of the dates we had taken to inviting her to go and fill the empty seat.
The better I knew her, the more I wanted her.
My wife understands me. She knows that I'll love her and live with her for ever; but that doesn't stop me falling in love - OK, in lust - with other pretty women. To us, 'faithfulness' means 'no deception': keeping no secrets from each other. So I told my wife about my desire for this beautiful girl. My wife's reaction was what I hoped for: "She's a woman now, not a schoolgirl any more - if she says 'yes' then it's OK with me."
It was in a restaurant after one of the concerts (just she and me that time) that I asked her...