You are breaking the law even if she is your half-sister.
Got a problem?
I tried to protect her and it felt like it was just me and her up against the whole world.
In fact you are laying the foundations for huge emotional damage by having a sexual relationship with her.
Popular Dear Deidre problems.
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Guilty sex I had hot sex with my year-old mum-in-law while my wife was on life support.
I had to say yes.
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