I fantasise about my sister-in-law when I have sex with my wife

DEAR DEDIRE: I CANNOT stop fantasising about my sister-in-law and dream of waking up with her in my arms.

I’m a married man of 35 with two sons aged seven and five.

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My wife is 37 and a PA. I’m a delivery driver and work shifts so that I can be at home when the boys need me.

We have a good marriage and a good sex life. Everything was going well until my sister-in-law came to stay.

She’s 32 and has a daughter.

Her partner is a first-class idiot. He’s abusive and was always calling her names, telling her she was fat.

I got a call from her one afternoon as I was about to pick the kids up from school.

Her partner was drunk, got physical and had held her up against the wall, shouting in her face. She was terrified.

I jumped in the car, went to pick up both her and her daughter, then got my kids and brought them all back to ours. I’d never seen her in such a state.

We sent the kids out to play on the trampoline and she burst into tears. I cuddled her to calm her.

Her hair smelled amazing and with her body close to mine, it sparked something in me that I’d not felt for a long time.

When my wife came home, my sister-in-law told her how wonderful I’d been and that she was so lucky to have me as her husband.

Later, we bumped into one another on the landing and she looked so sexy in her silky shorts and pyjama top.

When I got back into bed, I had sex with my wife but the whole time I was imagining it was her sister.

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She’s still living with us for now.

Should I tell her that we could make a go of things?

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DEIDRE SAYS: No. This would cross a huge line and the fallout for your family would be massive.

And besides, she’s just left a violent relationship and needs stability, not an affair with her sister’s husband.

Your wife and sister-in-law will have similar familial traits which hold an attraction for you.

You don’t know the sister like you do your wife. You’ve said that you’ve got a good marriage, so why spoil that for some silly fantasy?

Keep it in your head but try to improve your marriage so your wife is the first person you fantasise about.

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My support pack, Relationship MoT, will help.

And encourage your sister-in-law to find help through The National Domestic Abuse Helpline (nationaldahelpline.org.uk, 0808 2000 247).

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