AITA for telling my brother my stepdads not my dad?

In a quiet suburban home, where family photos line the walls, a 16-year-old boy faced a question that stirred up old wounds. His younger brother, all of 10 and full of curiosity, asked why he calls their stepdad “AJ” instead of “Dad.” The truth—that their mom’s husband isn’t his biological father—slipped out naturally, but it landed like a pebble in a still pond, rippling through their blended family. Their mom fumed, accusing him of sowing confusion, while AJ’s cold shoulder turned family dinners into a silent battlefield.

This isn’t just about a name—it’s about memory, identity, and the delicate balance of honoring a lost parent in a new family. The boy’s honesty sparked a clash, and Reddit’s got plenty to say about it. Was he wrong to speak up, or is his mom dodging a harder truth? Let’s dive into this heartfelt family saga.

‘AITA for telling my brother my stepdads not my dad?’

My dad was in my life until he died when I (M16)was 7. My mom was already married to my stepdad AJ by then and my brother was barely 1 year old . I never considered my AJ anything than just my brother’s dad. For a long time my mom kept trying to make me call him dad because my brother copied everything I do and he started calling his dad AJ too. But he grew out of that and just calls him dad now.

I can tell AJ don’t like that we don’t have that kinda relationship and been in family therapy before. The therapist basically told them to give me my space and I shouldn’t be pressured so they dropped the sessions lol. Idk why out of the blue my brother randomly asked me a few days ago how come I always called dad AJ. And I told him because AJ’s not my real dad.

He never asked this before so it caught me by surprise ? My brother told me I’m lying how could he not be my dad and I told him my real dad died when I was little so that’s how AJ isn’t my dad. But then he asked if that means we’re not brothers and I told him we are because we have the same mom. He just had a million questions about my dad after that so I told him what I remember.

But my mom got mad at me for telling him that AJ’s not my real dad in making it seem I don’t consider him family. And that I just confused my brother about our family. Idk why but now AJ ignoring me when I’m in the room and it gets awkward when my brother ask more questions about my dad in front of them. Was I an a**hole for telling him the truth?

Family ties are tricky, especially when grief and new bonds collide. This 16-year-old’s blunt truth—that his stepdad, AJ, isn’t his biological father—wasn’t meant to wound but to clarify. His mom’s anger and AJ’s silent treatment suggest they’re more focused on their ideal family image than his feelings. Forcing a “dad” label risks erasing his late father’s memory, which clearly matters to him.

Blended families are common—about 40% of U.S. kids live with a stepparent, per a 2021 Pew Research study (source). Yet, navigating these dynamics requires open communication, not pressure. The boy’s brother, at 10, is old enough for the truth, but the mom’s reaction shows she wasn’t ready to face it.

Psychologist Dr. Patricia Papernow, an expert on stepfamilies, says, “Children need permission to love their biological parents without guilt” (source). Here, the mom’s push for AJ to be “Dad” dismisses the boy’s loyalty to his late father. AJ’s sulking only widens the gap. The family could benefit from therapy focused on validating all relationships—biological and step—without competition.

The teen should keep lines open with his brother, answering questions simply to ease confusion. The mom needs to own the conversation she avoided.

Let’s dive into the reactions from Reddit:

Reddit came in hot, with opinions as varied as a family reunion potluck. From slamming the mom’s denial to cheering the teen’s truth-telling, the community’s got no shortage of takes. Here’s what they said:

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t_hrowaway81 - NTA - your mom shouldn’t hide the truth about your real Dad. Just disrespectful to his life. Your brother will understand and love you all the same.

Possible_Discount872 - NTA, your mom is trying to force a relationship. You're right, AJ isnt your dad and you dont have to call him such. It sounds like you have a cordial relationship. Your mom is just mad she has to do the labor of facilitating a blended family, which is her job so tough luck to her. You're 16, not 6 months, you get to decide who you feel familial towards.

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[Reddit User] - NTA completely. Your brother is still young and doesn’t understand how having a stepfamily work yet. So in the words of R/slash, I will give you .5/5 Buttholes for telling him something that most likely will change his outlook on life forever.. Let me explain why you aren’t the a hole and shouldn’t feel like one.. 1. Your brother was going to learn anyway.

2. You don’t feel comfortable calling AJ your dad because he technically isn’t and you don’t have that bond with him. Your mom needs to understand that. 3. AJ ignoring you means that he is hurt, but more butthurt that you aren’t doing things the way he wants.. Your younger brother did nothing wrong and was just curious and you answered his question.

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Kreeblim - Nta, you shouldn't be asked to lie

asphodel2020 - NTA. Your brother was going to find out eventually, unless your mother was just planning to never tell him the truth about this, which is a worrying thought. She shouldn't be trying to force you to treat AJ as if he is your father and your real dad never existed.

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AJ is your stepfather and I obviously can't judge if he is a good or bad one but ignoring you whenever you are in the room because you won't pretend he is your birth father is extremely immature of him.

Badger-of-Horrors - NTA. He's not your dad. He'll never be your dad. You did nothing wrong. If the truth hurts, it's because they refuse to face it

sreno77 - Your mom is upset because you told Your ten year old brother the truth.. Did he not know your mom was married before?. NTA I get so annoyed when I read posts about families getting mad about children using proper terms for their step parents. Sometimes the kids have a great relationship with their step parents and still get reprimanded for calling them what they are.

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My daughter in law has a wonderful relationship with her step dad and yes she calls him 'dad' but everyone knows he's her step dad.. Your mom is ridiculous.. Pretending he's your bio dad erases your father and doesn't fix the relationship

mrsagc90 - NTA. Facts are facts, he’s not your real dad and can never replace him.

Prici_ros - NTA. I really don't know why your mom and stepdad insist on erasing the memory of your dad, there's no reason for them to be that upset.

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raptormantic - NTA that was your mother's job and she's just upset that her lack of having a challenging convo has caused a disruption.

These Reddit nuggets are as bold as they come, but do they cut through the family fog, or just stir it up more?

This tale of truth and tension reminds us: family isn’t just about shared blood—it’s about shared respect. The teen’s honesty about his late dad wasn’t a jab at his stepdad, but a way to keep his father’s memory alive. His mom’s push to rewrite their story, though, risks alienating both sons. How would you handle a kid’s questions about a blended family’s past? Share your thoughts—what’s the right way to weave old memories into a new family tapestry?

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