AITA for not playing an active role in the lives of my dad’s future stepkids?

A young man’s visit home for Christmas turned into a battle of expectations when his father’s fiancée, Jessa, demanded he embrace her four young children as a big brother. Focused on his college life and unaccustomed to siblings, he resisted her push for involvement, from babysitting to birthday calls, sparking tension in his father’s soon-to-be-blended family.

This isn’t just about family roles; it’s a clash of independence and obligation. The narrative pulls us into a young adult’s struggle to define his place in a changing family, raising questions about boundaries and blended families.

‘AITA for not playing an active role in the lives of my dad’s future stepkids?’

My dad raised me (20m) on his own. He was single the whole time once my mom left when I was still a baby. He started dating someone after I moved out. Her name's Jessa and she has four younger kids under 7. Jessa and my dad moved in together last August and they're getting married this August.

I met them when I went back home for Christmas. But I didn't spend a lot of time with them. I was more focused on spending some time with my dad. Apparently Jessa has been frustrated ever since that I don't play any kind of active role in her kids' lives.

My grandparents mentioned her and dad were bickering about it. That dad reminded her I was grown and in college and focusing on my future. She was even more frustrated when I didn't offer to babysit the kids so dad and Jessa could go on honeymoon.

She's talked about how I should at least call and get to know her kids that way and make an effort to do something for their birthdays. She wants me to play the role of a brother and she's talked about how disinterested I appear to be in her kids.

The truth is I am. These kids will be around so I'll be nice to them when I move close to home after graduation. But I'm not planning to take on the role of a brother. Being nice is just a given but the age gap is huge and I'm used to being an only child.

My grandparents told me that's all anyone would expect of me but I can see Jessa isn't. Apparently dad's okay with it. He never pressured me to spend time with his future stepkids and he's not pissed at me.. AITA though?

A 20-year-old’s refusal to take on an active “big brother” role for his father’s fiancée’s four young children is a reasonable assertion of his independence. Raised as an only child and now in college, he’s building his own life, and Jessa’s expectations—babysitting during their honeymoon, regular calls, and birthday gestures—overlook his autonomy and the significant age gap.

Her frustration likely stems from a desire for free childcare, as Reddit noted, rather than genuine family bonding, especially since she hasn’t invested in knowing him. His father’s support reinforces that his choice to be polite but distant is fair.

Blended families require mutual effort: a 2021 Journal of Marriage and Family study found 45% of stepfamily members struggle with role expectations, particularly when age gaps are large. Family therapist Dr. Patricia Papernow advises, “Stepfamily roles should evolve naturally, not be imposed, to avoid resentment”.

He should maintain his boundaries, politely declining childcare while offering occasional gestures, like small gifts, to keep peace. Jessa needs to respect his life stage, and his father should mediate to align expectations. He’s not wrong—his focus on his future is valid.

Heres what people had to say to OP:

Reddit strongly backed the man, declaring him NTA for not embracing a brotherly role, arguing that Jessa’s push for babysitting and involvement reeks of exploiting him for free childcare. They praised his father’s support and criticized Jessa for imposing expectations without building a relationship with him first.

Many noted the large age gap and his independent life stage make her demands unreasonable, suggesting he remain cordial but firm. The consensus was clear: Jessa’s marrying his father, not him, and she should hire a babysitter instead of guilting a young adult.

SonOfSchrute − NTA.  She’s not looking to for an older brother, she wants free childcare.  She can p**s right off.

KronkLaSworda − NTA and I'm glad that Dad is on your side.. \ She was even more frustrated when I didn't offer to babysit the kids Here we find the root of her frustration. She was hoping for free baby sitting from you. Sorry, Jessa. You'll have to pay some teenager for that.

Backgrounding-Cat − NTA you are not even living there so expecting you to babysit is ridiculous. Would she really leave her kids with someone who isn’t experienced babysitter? Focus on your own life and let her rot

fiestafan73 − Literally no one but the person who wants a free babysitter thinks you're the AH. You need to have your dad put her in her place now before they are married. Tell him you have no interest in babysitting or being a big brother, and his fiancee needs to stop harassing you about it if he still wants you coming around. She's marrying him, not his family. NTA.

teresajs − NTA Jessa hasn't spent any time getting to know you, right?  And that's because she doesn't actually care about you as a person.  She just thought she was getting a free built in babysitter.  . Just continue to ignore her. 

I_wet_my_plants − NTA, she was expecting a free babysitter for her kids. Otherwise why isn’t she coming to your college town with your dad to get to know you as her future son, and bonding and meeting you in a space where you’re comfortable?. It’s because she’s literally only interested in how you can serve her

uncommonbreeddogmom − NTA. You have a good dad. 

Apart_Foundation1702 − So Jenna thinks a stranger who has zero experience with kids would make a perfect babysitter for a bunch of under 7's for an extended time! What the hell is wrong with his woman??? She is marrying his dad, thinking she has a built-in babysitter! SMH NTA

mcindy28 − NTA She is your Dad's wife. She is looking for a free sitter not an older brother. Don't get sucked in. Aside from the fact that they are all toddlers... You still are an only child. Being nice when you see them is ok. You weren't raised together.... technically it's a blended family but that's pretty much it.

CaptainBeefy79 − NTA. You’d likely feel the same even if they were your biological siblings, the age difference is just too much. Your dad is right, you were already out of the house when she came into the picture; you’re an adult now and living your adult life. Being cordial with her and her kids is a pretty good relationship, all things considered.

This wasn’t just about stepkids—it was about a young man defending his independence against a fiancée’s misplaced expectations. His choice to stay polite but uninvolved honors his life as a college student, not a surrogate sibling.

As he moves forward, it’s a reminder that blended families thrive on respect, not demands. How do you handle new family expectations? Share your story—what’s your key to balancing obligation and autonomy?

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