AITAH for wanting a bit of space from my daughter after I discovered she isn’t mine biologically?

How does a shocking truth reshape a father’s world? A 40-year-old man raised his daughter for 16 years, believing she was his biologically. A recent DNA test shattered that belief after his ex-wife confessed to an affair. The revelation hit hard, stirring betrayal and confusion. He seeks temporary space to process without hurting her.

She feels abandoned, sparking backlash from others. At 16, she faces her own turmoil. Fatherhood goes beyond DNA, yet emotional wounds run deep. Can time heal this rift, or will it widen the gap forever?

‘AITAH for wanting a bit of space from my daughter after I discovered she isn’t mine biologically?’

The story unfolds with a man’s discovery about his daughter.

I'm 40, she is 16 and I've been divorced from her mother since she was about a year old. We've always had a good relationship and never had any reason...

The truth emerged from a slip by his ex-wife.

Her mother recently let it slip she might not be mine and we did a DNA test and she's right - no biological relationship whatsoever.

After confronting my ex, she broke down and confessed that when we were dating, she went on a night out with her colleagues and ended up in bed with a...

She is trying to say she was probably drugged or something as she was a lot more drunk than she should have been and woke up in bed with him...

Apparently the biological father is some french guy who's married and has kids and I vaguely remember him from when we were together (I didn't like him, he seemed sleazy...

The impact affected both deeply.

It's fucked me up good and proper and it also has fucked my daughter up. It's giving me some seriously dark thoughts and I just want to take a bit...

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Not to punish her in any way or be horrible, but I just need to clear my head and get some help before I see her again. I know she...

Reactions from others complicated matters.

She didn't take that well at all and I guess has told people and so many people are trying to get in touch, tell me what an arsehole I am...

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I'm thinking of quitting my job and selling my house to go travelling for a bit and just see the world before I come back and face it all. Could...

The core conflict stems from a paternity revelation. A man learned his 16-year-old daughter is not biologically his. His ex-wife’s confession triggered deep betrayal. He wants space to process trauma. The daughter feels rejected. Emotions like anger and confusion dominate. Values of trust and family bonds clash. The situation worsened without clear communication.

The man’s reaction reflects shock and grief. He fears failing as a dad amid dark thoughts. His daughter’s distress comes from sudden identity loss. She needs stability. Both lack empathy in their pain. Fears of abandonment drive her response. Insecurities about worth shape his withdrawal.

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Clinical psychologist Dr. Juliet Ottoh notes that “Fatherhood is not only about blood—it is about presence, love, and support” (Healthwise, 2025). This perspective fits here. Genetics do not erase 16 years of bonding. Rejection risks long-term harm. Professional help is key.

Seek therapy together. Set short check-ins to reassure her. He should journal feelings daily. Build boundaries gently. Focus on shared memories. These steps foster healing.

These are the responses from Reddit users:

Social media users shared diverse views on the man’s need for space. Opinions divided sharply. Some urged empathy for the daughter. Others supported his mental health break. A few highlighted risks of permanent damage.

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Several users backed the man, stressing his right to process.

TKyzr − NTA. But please explain to your daughter why you’re taking a little space. Do this face to face. Remember she’s been struck an equally big blow as well...

Get both of you into counseling asap. She’s still your girl, you still need each other. Please don’t make big decisions regarding your job. Take time off but don’t quit.

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Talk to the friend you trust most and ask them to help spread the word you’re just taking a step back to get your bearings and are not answering questions...

Edit: taking a little space doesn’t mean reject her, move to another planet, cut contact with her completely. Take some space meaning go to a place where he can absorb...

I never suggested he abandon her as some are implying. If that’s what you got from my response, you should try reading the other responses where commenters are out right...

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No_Tip_158 − Why shouldn't he have some time to process this? How do you expect a person to react? But he have to speak to her and let her know...

Proper_Fun_977 − NTA I get it's hurting her too but you're allowed to take time to sort your own mental health out.

Others criticized him strongly, warning against abandonment.

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[Reddit User] − It’s a s__t situation and I’m sorry you’re going through it, but you’re her dad, you’ve helped raise her. This doesn’t change that. You don’t get time...

You have to work through this on your own time. You can’t abandon her. She will need you more than ever right now. You have to think about her before...

marv115 − It might sound harsh but if you keep your plan your daugther will never forgive you, she will see it as it is, abandoment,

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and pusnishing her for something she's innocent of, especially because you will leave her with his mom, the woman to blame in all of this. If you have any hope...

buzzingbuzzer − I’m going against the grain here and I don’t really care. YTA because you are the adult in the situation. Your daughter is a child and I know...

I remember having to take a paternity test for my dad when I was a kid and I’ve never forgotten it. He didn’t want anything to do with me until...

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I understand it’s a lot but you’re punishing a child for something out of her control. You know all those big feelings you’re feeling? Well, she’s feeling them, too, except...

el_bandita − You will most likey ruin the relationship with “not” your daughter forever. If this is what you want, go for it.

ssddalways − This is tough and as much as I want to vote no you aren't the arsehole, you unfortunately will be if you go nc with your daughter.

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You are 100% entitled to feel the way you are and to even take some time to sort your head but you have to sit with your daughter and both...

You can not walk away without any communication from a f__king 16 year old, that's a s__t age to be at best of times never mind with that bomb and...

If you love her, get professional help for you both and that doesn't include running away travelling the world and leaving her behind to deal with this s__t storm.

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YepWrongGuy − You were her father for 16 years, don't try to hurt your ex wife by hurting a kid that's done nothing wrong. You're misdirecting your rage and your...

A group offered balanced advice, sharing stories or insights.

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[Reddit User] − I didn't like him. He seemed sleazy but put it down to him just being French anyway This part

Bitter_Animator2514 − There’s a post somewhere on here about a man who found out his middle son wasn’t bio his

and he f__king destroyed that kid when he took time out from him cause he couldn’t deal with not being bio dad He went on to build a whole new...

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Charmingbeauty5562 − This is really hard so I’m not going to pass judgment. You have just been told devastating news, you don’t know what to do, your mind is jumbled,...

and you feel like your life, the life you have always known, is over. Now say that same sentence but add and my daddy hates me now too.

Look, you may still love your daughter and I hope you do but she is probably a mess too. If you abandon her, she is going to think you don’t...

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Liss78 − INFO If all you want is space and time to process, there's nothing wrong with that. You just had a huge trauma dumped in your lap. The important...

Did you tell your daughter that you needed time before going no contact? Like I get why, but it's still pretty fucked up if you just stopped talking entirely.

If you just stopped communicating with the girl you raised as a daughter for 16 years, that's fucked up and you are an a__hole. She has nowhere to go for...

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You're still all she has, even if it was a lie. You were both wronged by the same person. You left a child alone to deal with this and you're...

Aware_Stretch_7003 − You need to remember your daughter is as much of a victim if not more in this situation. While you chose to be with her mother at the...

I can understand wanting to run from this hoping you can just put it behind you, but you can't. This is also when your daughter needs you the most. Going...

You can't undo the past, you can only choose to make the right choices now to have a better future. If anything I would offer that you and your daughter...

jah05r − I can understand you are hurt. ..but you need to remember that there is a difference between being a father and being a dad. The former is a...

This tale exposes the fragility of family ties when truth emerges. A man grappled with betrayal after learning his daughter lacks biological links. His quest for space clashed with her need for reassurance. Bonds built over years outweigh DNA. Processing trauma requires care to avoid lasting scars. Prioritize open talks and therapy. Recognize shared victimhood in deception. Healing demands patience and commitment.

Would you seek space in such a crisis? How can fathers balance personal pain with parental duties?

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