Everyone makes mistakes – but some are simply unforgivable. This was definitely the case for one mum, who has shared her 16-year long secret that would not only ruin her relationship with her daughter but her overall reputation. Wanting to somewhat clear her conscience, she admitted on Reddit to sleeping with her daughter's ex boyfriend after they broke up. But much to her dismay, her daughter rekindled her romance with him - and ended up marrying him some years later. She said: "I was 38 and my daughter was 18, and she was dating Harry, who was 24. I was an alcoholic and dabbled in other drugs, mostly cocaine. I was not a good person, let alone mother. Not like I was abusive to my daughter or anything but I was generally inattentive and cared more about my alcohol and drugs than her, especially in her teen years. I am 14 years sober now. "I disproved of my daughter dating Harry, but I never told her why. He would flirt with me, constantly, and the age difference also creeped me out. Also, he was an alcoholic and drug user, just like me. She broke up with him over his alcoholism. Soon after she moved away, not too far but regardless she didn't live with me anymore." However, Harry kept calling her to ask her out for drinks or to simply hang out. After rejecting him multiple times, she finally gave in and met up with him. However, this started a toxic relationship between the pair. She said: "I turned him down, but then one day he said he had a bunch of coke and I couldn't resist. He came over, we did the coke, and we ended up having sex. He was a very good looking guy. "For the next few months, maybe like three to four months, he would sometimes come over and we would have sex and do drugs and get drunk together. Any drug addict knows what that is like to have a drug addict buddy in that way. Then I got pregnant. I knew it was by him, I had sex without a condom a few times stupidly. I never told him I was pregnant, and I went and got the abortion and kept it a secret. "Anyways, I stopped seeing him after that, it was too weird. I also got sober, for like four months, before relapsing. Two years on and her daughter excitedly tell her mum all about Harry's transformation, saying he's fully sober and turned his life around. She explained how they're together again - and everything was going well with their relationship. "I was mortified honestly. He was gonna tell her that we slept together, and she is going to hate me for life. They came over one day and said hi, and when my daughter was gone, Harry told me that there is no reason to tell her about what happened. I agreed. Its been 16 years of marriage on their part. They have a kid together. Harry got cancer, then beat it. I got sober. That's basically it. "I don't see them very often, they live in Texas and I live on the east coast. But whenever I do there is always that tension between me and Harry, its literally the first thing that comes to either of our minds, I can just tell. Not like sexual tension, like 'Why did we have to do that? What is wrong with us?' kind of tension. I think about this often. Especially when I see my grandson. I always think that could have been my son if things had gone differently, but wow what a disaster that would have been if I decided to keep that child." If you are battling addiction, you can visit the NHS for resources that could help.