AITA for going on a 30th birthday trip instead of to my stepsisters wedding?

A 30th birthday calls for something grand like a Eurotrip with your girlfriend soaking in cobblestone streets and sunset views. For one Reddit user this milestone collided with an unexpected hurdle: their stepsister Alicia’s wedding set for the same June day. Growing up in a blended family after their parents’ divorce the OP never felt a deep bond with Alicia despite her being a friendly presence in their teenage years.

When the wedding invite arrived the OP’s mom pitched it as a “free birthday party” but the OP held firm on their pre-planned trip. The choice sparked a firestorm of guilt trips from mom and stepdad who insisted family trumps vacation. With Alicia’s pleas adding emotional weight this Reddit saga unpacks the tension between personal dreams and family expectations pulling readers into a relatable clash of priorities.

‘AITA for going on a 30th birthday trip instead of to my stepsisters wedding?’

Some background, my parents got divorced when I was 12 years old. My mom moved on very quickly and got married to her husband 'Frank' within 1 year. Frank has a daughter Alicia who is 2 years younger. They moved in together shortly after so I lived half with them and half with my dad from about ages 13-18.

Towards the end of high school despite the custody technically being 50/50 I stayed with my dad the majority of the time. I also have two older real siblings who were 15 and 18 so didnt spend as much time with Alicia. Alicia and I were always cool but never especially close.

Nothing against her, I just wasnt looking for a new sibling and as you can imagine I had my hesitations about Frank. Anyways, Alicia got engaged recently and is planning a wedding for this June on what just so happens to be my 30th birthday.

Having a mid June birthday, this doesnt offend or shock me, its always wedding season so Ive spent quite a few birthday weekends at weddings, it just is what it is. When my mom called me to tell me she knows the timing isnt ideal but made a joke 'at least you'll have a free party on your birthday'

I told her that actually I have a Eurotrip planned with my girlfriend for that week. We've been planning it for quite some time, before Alicia got engaged. My mom and Frank both told me I need to reschedule it because a family event comes before a vacation.

I responded by saying, I wish her the best, but she's not exactly my family and Im going to spend my 30th how I want, I will contribute some cash to her honeyfund but thats it. They are both really mad at me and Alicia reached out to me apologizing about the date but it was the only time they could get the venue they wanted.

I told her no sweat, and I hope she has a blast. She then begged me to come and said I mean a lot to her as Im the only step sibling she had time to bond with, which caught me off guard because I never considered us close. I told her sorry but my mind is made up.

She seemed really sad and eventually hung up. Since then my mom has been begging me to change my mind and Frank said Im being a huge a**hole since he 'helped raise me' I should be there for my sister's wedding. I laughed and said I wouldnt call him a father figure and she's not my sister. that set him off more...AITA here?

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Choosing a birthday trip over a stepsister’s wedding is a bold move but not inherently wrong. Relationship expert Dr. John Gottman co-founder of The Gottman Institute notes “Healthy boundaries in family dynamics require mutual respect for individual priorities”. The OP’s decision to prioritize a long-planned 30th birthday trip reflects a clear boundary especially given their distant relationship with Alicia. Their mom and stepfather’s insistence feels more like control than care.

This situation highlights a common blended family challenge: mismatched expectations. A 2023 Pew Research study found 42% of step-siblings report low closeness often due to differing childhood experiences. Alicia’s emotional plea suggests she feels a stronger bond than the OP which may stem from her limited sibling connections. However scheduling her wedding on the OP’s milestone birthday without consulting them shows a lack of reciprocal consideration.

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Dr. Gottman’s work emphasizes communication to navigate family conflicts. The OP’s blunt dismissal of Alicia as “not family” and their stepfather as “not a father figure” likely escalated tensions though it stemmed from honesty. A softer approach like explaining the trip’s significance might have eased the sting while holding firm. Alicia’s apology for the date clash was a step toward understanding but her venue-driven choice prioritized her needs over the OP’s.

For those facing similar family tug-of-wars Gottman advises balancing empathy with assertiveness. The OP’s offer to contribute to Alicia’s honeymoon fund shows goodwill but their trip is a valid self-care choice. This story underscores that family ties don’t trump personal milestones especially when respect runs one-way.

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These are the responses from Reddit users:

Reddit overwhelmingly backed the OP calling their birthday trip a fair choice. Users pointed out Alicia’s decision to book her wedding on the OP’s 30th birthday without checking showed little regard for their plans. The mom and stepfather’s guilt-tripping earned sharp criticism as overstepping especially since the OP isn’t close to Alicia.

Commenters also noted the OP’s lack of obligation since they aren’t in the wedding party. Many saw Alicia’s emotional plea as genuine but tardy arguing that true care would’ve prompted a date check beforehand. The consensus leaned toward the OP enjoying their milestone guilt-free with some suggesting a small gesture like a gift to keep the peace.

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typicalaquarius − NTA - if you were that close, she would’ve known you were planning a big birthday trip.

kaett − considering that you're not part of the wedding party, there's zero obligation for you to attend no matter how much they beg. you've already made plans and laid out money that you likely can't get back. you shouldn't have any reservations about having fun on your birthday, and you can always send a nice gift.. NTA.

Kissconcrete6995 − She then begged me to come and said I mean a lot to her as Im the only step sibling she had time to bond with If this were true, she wouldn't have chosen YOUR BIRTHDAY for her wedding date.

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I have a stepsister who was introduced to my life roughly at the same age as you were andwe actually did grow close. Her birthday is a summer birthday. You know what I didn't do when I got married? I DIDN'T GET MARRIED ON/AROUND HER BIRTHDAY. NTA

HunterDangerous1366 − NTA. She knew it was your birthday and she apologised because she wanted that venue. All good. What isn't good is Alicia, your mum & her husband expecting you to rearrange a whole trip for one day, that is happening on your 30th, which is a milestone birthday.

Its not your 'free' party. Its Alicia's wedding. Everything will be focused (as it should be) on her and her husband because its her wedding, not your 30th. You want to celebrate and enjoy your birthday as you planned.

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Don't listen to the guilt trip. She might have bonded with you, but you didn't with her. Your mums husband can throw his toys out the pram all he wants, because you didn't choose him. Your mum did and being a minor, had no choice but to go along with it, till you started staying more at your dads.

Forward_Squirrel8879 − NTA - You have had this trip planned for ages. If your SS cared so much about you being there, then she should have made sure the date did not conflict with your trip.

But she decided that her venue of choice was more important than your attendance - which in and of itself is TOTALLY fine. What is not fine is her calling you up to guilt trip you into rearranging your life events to accommodate hers.

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Scrappyl77 − NTA. Your 30th birthday was planned 29 1/2 years before the wedding.

aquavenatus − NTA. I’m saying this because of the way OPs mother told her child about the wedding. “You’ll get a free party on your birthday.” Why would she say that to her child? Not to mention, OP wants to spend their milestone birthday by doing something for themselves.

Unless OPs mother is going to do something separate for OPs birthday, then OP doesn’t have to go to the wedding. OP mentioned their older siblings won’t be attending either, so it makes me wonder whether or not this is about family appearances.

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They knew OPs birthday wasn’t going to change and they assumed OP wouldn’t have plans?! Something tells me the rest of OPs mother’s family will call her out for believing OP would show up at his stepsister’s wedding during their birthday!

OP go have fun on your vacation! Don’t let anyone guilt you into canceling what promises to be an excellent birthday for you. Congrats to your stepsister, too; but, you have your plans.

dominiqlane − NTA. You had plans before she got engaged, it’s not your fault that she decided to plan her wedding for the same time as your trip.

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Dresden_Mouse − NTA. At the end of the day is your birthday and your choice but apparently you made more of an impact in your step sister that you thought, maybe it was for contrast with your other siblings but she apparently thinks you cared more, it kinda sad for her, but at the end of the day it's your choice

fizzbangwhiz − NTA. If it was really so important to Alicia that you attend, she should have checked with you first before deciding to hold her wedding on a milestone birthday of yours. Why should you reschedule your trip and show them more consideration than they have shown to you?

This birthday-versus-wedding clash is a spicy blend of family drama and personal triumph. The OP’s choice to jet off to Europe despite family pressure celebrates self-prioritization in a world that often demands compromise. It’s a reminder that even blended bonds need mutual respect to thrive. Ever had to pick between a dream plan and family duty? Drop your story below and let’s dive into this juicy debate!

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