DEAR DEIDRE: THE first time I saw my sister-in-law I knew I had to get her into bed. And when I did, it was the best sex I have ever had.
My wife’s parents live in Scotland and we went to visit them for New Year. My sister-in-law, who is 19, lives with them. I am 28 and my wife is 27.
The parents came to our wedding six months ago but my wife’s sister was on a gap year working in Australia at the time so she didn’t come.
New Year was the first time I had met her and the minute I set eyes on her I knew I had to have sex with her.
She kept telling me I looked hot and that she liked my voice.
We flirted openly, which my wife just thought was funny, though she had told me before that her sister had always been a bit of a naughty girl and had often gone for married men.
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I could feel the tension between us and we both knew we had to have sex. On our second evening there we had a family meal at a local restaurant.
Afterwards we went back to my in-laws for more drinks. Eventually everyone went to bed at about midnight.
I waited until my wife fell asleep and then I crept out of our bedroom. I knew her sister was in the next room and I went in without knocking.
She was awake, sitting up in bed, clearly waiting for me. The sex was just brilliant. I stayed in her room for a couple of hours and it was fantastic.
Sex with my wife was never like this. I guess it was even more exciting knowing that my wife was asleep in the room on one side and my in-laws were asleep in the room on the other.
I told her afterwards that I want to be with her but we both knew how my wife and the family would react.
We managed to have sex several times while we were there and it just got better every time.
We have been having webcam sex every day since and we cannot stop, but where do we go from here?
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DEIDRE SAYS: This affair is hardly likely to end well. Your sister-in-law has often gone for married men before.
That suggests she is attracted to the unobtainable and may lose interest once a relationship could turn serious and involve commitment.
Knowing that you are her sister’s husband may have added extra thrill for her but you hardly know one another as people in the round.
If you do end up together, the family will be massively down on you both.
It really is best to break off this affair now. Tell your sister-in-law it’s over and work on strengthening your marriage.
My e-leaflet The Real Secrets Of Great Sex can help.