AITA for mockingly telling my dad I’m shocked he remembers my sister and I are his kids after he asked us to help his stepson?

A grieving dad promised to blend two families perfectly, but instead traded his own kids for someone else’s toddlers—and now expects cash and cuddles when tragedy strikes. The fallout? Years of resentment exploding in one sarcastic line that left everyone reeling.

Clearly, this isn’t just about money or babysitting. It’s a raw wound from childhood betrayal, where love felt conditional and loyalty got rewritten overnight. Social media users weighed in heavily, and the twists keep coming—let’s break it down.

AITA for mockingly telling my dad I'm shocked he remembers my sister and I are his kids after he asked us to help his stepson?

The trouble kicked off when a 17-year-old guy and his sister lost their mom suddenly at ages 5 and 6.

I might have been a total AH to my dad and maybe even to the kid indirectly but wanted some opinions. Dad was a single parent to me (17m) and...

Our mom died from a brain aneurysm suddenly and dad was a really good support to us. He took time off work and devoted his attention to us. That eased...

He'd show up to a few school plays or football games, he'd make time for us as a family and for 1:1 time. He was our whole world by then...

Everything changed five years later when Dad met Sadie and her two tiny kids.

But when I was 10 he met his wife Sadie and her two kids (19 months m and 3f). Dad told me and my sister that he and Sadie were...

and we should rely on Sadie and not on him, and Sadie's kids would rely on him and not her. It was so f__king infuriating. We told dad we wanted...

Dad stopped doing anything for us then and Sadie tried but we didn't want her. We were so angry and jealous and hurt that dad dropped us for some random...

Their wedding day was a shitshow because they wanted Sadie's kids with dad and my sister and me with Sadie and we didn't want to be at the wedding at...

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Grandparents begged Dad to rethink his plan, but he shut them down.

My grandma and grandpa tried to step in and talk to dad but he told them to stay out of it. He said we needed to get used to Sadie...

We just withdrew completely and the resentment and anger grew. I once told my dad to his face that my mom would be so disgusted that he picked someone else's...

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Fast forward to now—Sadie’s son faces serious health battles, and Dad shows up asking for help.

About a year ago Sadie's son was diagnosed with some kidney issue and it turned out a few months later that his liver was also affected. He's getting these different...

I never cared enough to pay attention. But my dad followed me to my sister's one day last week and he told us he needs our help. That he'd like...

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My sister told him to go to hell. I laughed and mockingly told him that I was surprised he remembered we were his kids at all when he has his...

He was shocked, pissed and probably even a little offended. He asked me how I could say something like that when his stepson's so sick. He also told me he...

Losing a parent young is devastating, and the poster’s dad initially stepped up beautifully—until he didn’t. Choosing to emotionally replace his grieving kids with toddlers wasn’t blending families; it was abandoning the ones who needed him most. The kids begged for their dad, not a stranger, yet he insisted they “get used to it” for seven straight years.

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Dr. Laura Markham, clinical psychologist and author of Peaceful Parent, Happy Kids, warns: “Children who feel replaced often carry deep insecurity into adulthood. Parents must reassure existing kids that new family members add love, never subtract it.”

Practical fixes start with Dad owning the damage. He could attend family therapy alone first, then invite the kids if they’re open. Financial asks should come from him cutting personal expenses, not pressuring teens. The sick child deserves support, but guilt-tripping siblings who were discarded isn’t fair—or effective. Empathy works both ways: Dad must finally hear how his “plan” shattered trust.

Let’s dive into the reactions from Reddit:

Plenty of users rushed to back the poster, insisting Dad reaped what he sowed.

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Curious-One4595 − NTA. But maybe you should tell him that it’s time he acknowledges that his bizarro plan for “uniting” your two families was an ill-conceived,

abysmal failure that caused you and your sister lasting emotional harm and his relationship with the two of you permanent damage and that his current idea that he can fix...

Your father needs counseling. Your whole messed up family does. But he should go first. I’d love to hear him explain to an objective outsider why, when it quickly became...

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GreekAmericanDom − NTA What your dad did to you is downright horrendous. What an absolute failure of parenting. He deserved to hear what you said to him.

throwaway-rayray − NTA - sad for the step brother but this isn’t your problem. Your dad messed up big time and this is the consequence. Live your life and be...

buttercupgrump − NTA why did we act like he left us with nobody Because he basically did. He left you with a woman who was a stranger and told you...

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You didn't want Sadie. You wanted your actual parent. It's really disgusting of him to turn to you now. It's even worse that he's asking his children, one a minor...

A few offered balance, recognizing the stepson’s pain without excusing Dad.

[Reddit User] − NTA you told him repeatedly that you weren't happy. Your grandparents tried to tell him and he ignored them. He can't be suprised now that you don't...

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diminishingpatience − NTA. He also told me he was there for us when mom died That's what he was supposed to do! he'd like for us to spend some time...

They've got a mother, presumably there's a father somewhere, probably grandparents and finally your father. That's a lot of people who could be involved without having to harass you and...

Others lightened the mood with relatable quips.

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Bobinct − NTA Talk about the worst way to blend a family.

TheYankcunian − NTA - I don’t get how parents do this! My parents did it to me, and my Dad was always surprised and offended when I pointed it out...

He denied denied denied and the only thing that mattered to him was that my on-again, off-again stepmom and her kids still treated HIM badly. My only advice would be...

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He’ll claim he’s changed, but really he just wants to suck you back in to leech off of you. Even if just emotionally. He’s the parent. It’s not your job...

Grand-Geologist-6288 − I don't get the part were you and your sister should solely rely on Sadie and her stepkids solely rely on your dad. Were you living in the...

Timely_Egg_6827 − NTA - you lost your mother and your father is claiming credit because he was there for you then. Well, yes, he should have been he was your...

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Who else was going to do it? Were you to be grateful he didn't drop you off down the orphanage and hopefully you were a comfort to him too? And...

You have to trust this stranger while you see him doing the same care for other. It was easy for him to bond with very young children but much harder...

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And he watched you grow up without support for 8 years punishing you for not warming up to the woman he choose to make your mother figure. That is just...

He left you without any parenting at a emotional level except what you and your sibling could give one another. It is very sad that such a young child is...

Info: You are a minor and you still live with him? Remind him he is meant to be financially supporting you not you supporting his family.

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Dad chose a flawed blueprint for family, ignored every red flag, and now faces the wreckage. The kids protected their hearts the only way they knew how. Everyone agrees the sick little boy deserves care—just not at the expense of siblings who were already pushed aside.

What would you do if a parent asked for money years after choosing someone else’s kids over you?

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