My husband is having sex with his stepsister [Video]

DEAR DEIDRE: My terminally ill husband messaged his stepsister to ask what colour knickers she was wearing.

That turned my stomach and confirmed the suspicion I’ve had for years – they’ve been having an affair.

She’s 51 and my husband is 57. When I met him 20 years ago, he said he’d had two long-term relationships.

One was with a girl from college – but he wouldn’t talk about the other.

Now I know why: I believe it’s his stepsister.

I’m 53 and we got married recently because he was diagnosed with cancer. I’ve given up work to care for him.

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