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Relationships

Mumsnet has not checked the qualifications of anyone posting here. If you need help urgently or expert advice, please see our domestic violence webguide and/or relationships webguide. Many Mumsnetters experiencing domestic abuse have found this thread helpful: Listen up, everybody

Should I tell his partner after our messages crossed a line?

51 replies

WhatTheFuckAmIDoing · 20/05/2026 12:24

Let me just say, I know I'm being a bloody idiot but I can't help the way that I feel.

I had a brief relationship with someone last year who I'd been friends with for over 20 years (I'm 40, he's 43) and who I'd been friends with benefits with for a few years prior to that. I was in a really bad place mentally at the time, drinking far too much (he's teetotal) and because of me it all went to shit.

I had something significant to me to celebrate last night, and he was the first person to congratulate me (he'd previously blocked me after an argument). We've been texting back and forth and things ended up getting a bit heated/sexual. I do really miss him now that I've sorted out my mental health and the sex was absolutely incredible, I've dated two people since and they were a total let-down in that department, I literally cannot stop thinking about our sex life.

I've told him this morning how much I miss him and that I would like to give things another go. However, he's admitted he's with someone else. Needless to say I'm not impressed since I would class what he's done in terms of messaging etc as cheating.

Part of me wonders if I should tell her, but obviously that would damage any sort of relationship I might ever have with him. But I genuinely do want him back, even though I know I should forget all about him

OP posts:
Jo7890123 · 17/08/2026 16:51

Another aspect to consider, is the fact that he's absolutely proved he isn't faithful or trustworthy - if you did get back with him, he could be messaging other people like he was with you last night - could you live with that sort of behaviour? Would you be worried what he was up to when he was late showing up?

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