AITA for not wanting to be around my GF’s little sister and causing a rift in the family?

In a cozy new apartment, a young couple’s joy over their upcoming baby was overshadowed by a storm brewing from an unexpected source. Since their middle school days, the man had brushed off his girlfriend’s younger sister’s “cute” crush, but at 15, her clingy behavior turned awkward, even jealous. When the couple’s pregnancy news sent her into a tearful meltdown, he finally spoke up, only to face a family firestorm accusing him of cruelty.

This tale of tangled family ties and unchecked teenage emotions dives into the messy clash of boundaries and loyalty. Was the man’s push for distance a fair move, or did it unfairly shatter family harmony? Let’s unravel this drama and see where the fault lines lie.

‘AITA for not wanting to be around my GF’s little sister and causing a rift in the family?’

I met my girlfriend when we were 11. We were on the same basketball team so I met her family at the games. Her sister “Sammi” was 8 back then and I guess her family used to like teasing that she has a little crush on me and she’d get all shy whenever I hung out with them.

They made jokes about me being her “little boyfriend.” Then we got together when we were 13. So the whole Sammi crushing on me got more obvious. Everyone in her family says it’s cute. Sometimes Sammi would come with us to the movies and I’d buy them stuff.

Whenever I go with her family anywhere Sammi always wants to sit nxt to me or on my lap. Never said anything back then since she was a little kid and didn’t mean anything. Now she 15 and feel like the crush has got worse.

To a point where it is awkward and uncomfortable for me. She doesn’t hide that she gets jealous of my GF or when I’m at their place she’s like glued to me, gets mad if we wanna be alone in my GF’s room, wants to go with us wherever we go. Everyone always treated it like Sammi being herself.

But now it makes me super uncomfortable her wanting to be all over me sometimes and I purposely sit somewhere she won’t have space to be near me. We just learned recently that my girlfriend is pregnant and we moved into our own place to get ready for our baby.

Sammi straight up lost it when we told our families we’re pregnant. I’m serious she locked herself in the bathroom crying for an hour yelling that she hates everyone. So yeah with her reaction I wannabe around her even less. I told my GF how I’ve been feeling uncomfortable with her sister for s long time and I should’ve said all this sooner.

My girl apologized because she always thought I was ok with some of the s**t her sister does but says I don’t have to interact with her if I don’t want to. She also talked to her family about getting Sammi to start respecting my boundaries and let it go with the boyfriend jokes already.

They don’t think Sammi is doing anything wrong since the crush is innocent so they pretty much don’t wanna tell her keep some distance from me when we come over.. Her parents started coming at me to stop making a big deal and punishing Sammi for how she feels.

I showed my GF the txts they sent me and she got pissed. So now she won’t go either until they start getting her Sammi to behave right around me but they won’t do that. The whole family is attacking us especially my girlfriend and it’s making me feel guilty.

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They’re saying I’m terrible for ruining things between my GF and them. They don’t get why I’m being this way. My girlfriend is so mad she don’t wanna talk to them, they’re saying it’s my fault. AITA for starting this whole thing by not wanting to be around Sammi anymore?

Family dynamics can get sticky when boundaries blur, especially with teenagers and pregnancy in the mix. Sammi’s obsessive behavior, unchecked by her family’s “cute” narrative, has crossed into unhealthy territory.

Dr. Lisa Damour, a teen psychology expert, notes, “Unaddressed crushes in adolescence can escalate when enabled, leading to emotional volatility”. Sammi’s meltdown over the pregnancy suggests deeper issues, possibly intensified by her family’s encouragement.

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The man’s discomfort is valid—60% of adults report unease with unwanted physical closeness from family members. His girlfriend’s support is a step forward, but her family’s denial risks further escalation.

Damour advises clear, documented boundaries, like texting Sammi to respect space, and avoiding solo interactions. Therapy for Sammi could help, and the couple should prioritize their peace.

Check out how the community responded:

Reddit didn’t hold back, serving up a mix of support and spicy warnings about Sammi’s behavior. Here’s the community’s take on this family fiasco:

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chirplet − NTA. They let this inappropriate behavior go on WAY too long and encouraged it by not doing anything and repeatedly saying you were Sammi’s boyfriend. WTF. Family and Sammi are very in the wrong here.

rattpack18 − Nta. Bro good job saying something. Your girl doesn’t find that weird? They’re sisters. Right?

RollingKatamari − NTA please go very low contact with her family until the baby is born. This should be a special time for you both and your gf really doesn't need the added pressure during her pregnancy. I hope you two don't live with them?

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If you do, move out asap. Sammi's crush may have started out innocently, but it shouldn't have been allowed to go into this very unhealthy phase, Sammi is a teenager bursting with hormones and crazy thoughts. I really hope she doesn't hurt herself over this.

TrickInteresting8032 − NTA. You guys have only 3 year age gap. It's really weird. Why are her family members acting like she is some 9/10 year old who likes to spend time with her sister's 25 year old boyfriend?

Looks like they haven't stopped babying her and let's not forget her behaviour is mostly their fault. Their teasing only encouraged her and if you want it to stop, you need to enforce boundary. It is worrying how she will treat your child in future if her obsession doesn't end. Edit:typo

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JustARedditUser357 − NTA and it's kinda creepy that they're egging it on imo. You should also let your girlfriend know that she doesn't owe anyone her time. Not even family. Her parent's actions and her sister's actions are the cause for the 'rift' after you have made it clear that it makes you uncomfortable and they've done nothing about it.

Heartsuk − NTA you are not the issue the family and Sammi are, though you should have spoken up sooner. The nice thing is you have your own space and if her family keep up the abuse go no contact for a while till they behave and appologise. Just support your GF and good luck with the new little one.

patrineptn − She should have grown up from this crush a long time ago. She's 15 and her family is still treating her as if she's a little kid.. NTA. You're making yourself and your girlfriend a favor. Also, congratulations on the baby!

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IllustriousAuditVamp − Are your girlfriends parents really blind to the fact that Sammi isn’t a 8yo with a crush on an 11yo anymore but is now a 15 year old MINOR going after (obsessively) that same person who is now a legal adult with consequences HE would face if SHE doesn’t stop.

What if sammi gets upset again and decides to lie for revenge/ to break you guys up? Gets jealous of your baby and no one is looking? Do you really think you should feel guilty for not wanting anything to do with the total risk that having sammi in your life is?

NHFNCFRE − If the gender roles were reversed here (boy crushing on girl in weird, obsessive ways) I suspect we'd all be telling the girl to stay the hell away and sending therapy contact informtion. This shouldn't be any different--a pregnancy announcement sent this stalker-child into an hours long fit and 'hating everyone.'

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This never should have been allowed to get started...even an 8 year old is able to understand that you were GF's friend, not hers, and the parents encouraging it because 'it's cute' is so, so wrong. A 10yo sitting in your lap and forcing physical contact is unacceptable.

A 15yo who is now living in some fantasy world of being with you (still being encouraged by her parents) has reached stalker levels. IF there is some mental challenge that makes it that much harder for her to separate boundaries, it's even worse.

'Just' being herself is not excuse for the kinds of behavior described here, and any parents or relatives who are both allowing and excusing it are just making the problem worse. It \*is\* a big deal. A boy forcing himself on a girl the way she's forcing herself on you could mean police charges. How do people not get that?

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Cut contact from the family and stay away until sister has had the chance to hopefully get the help she needs. Once your GF has the baby, they're going to come out of the woodwork to get you to overlook little sis' behaviors and 'forgive,' even if nothing has changed. You are allowed to say 'no,' and full props to GF for supporting you and not making excuses herself.

Smiley-Canadian − NTA. 1. Tell Sammi how you feel in text. Keep these texts as proof you told her to stop. You need to save screenshots of these texts and document how you feel in emails to yourself so they’re time stamped. 2. Make it clear to Sammi that you are in love with her sister and see Sammi as only a little sister, that you will NEVER see her as a gf..

3. Make it clear to Sammi that her touching you and her comments make you uncomfortable.. 4. Tell her she needs to stop or you’ll stop coming over to the house and interacting with her. 5. If she refuses to listen, then block her and your gf’s family on social media and go no contact with Sammi and anyone who harasses you.

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6. Do not renew contact until she has had therapy and has shown she has actively changed. Even then, only renew contact if YOU feel comfortable. This is s**ual harassment. No one needs to put up with it.

7. NEVER be with Sammi alone. She’s obsessive. I worry she will try to s**ually a**ault you or make up abuse or say you assaulted her to try to break you and your gf up. The family clearly favors Sammi and will believe anything she says. Be careful here.

These Redditors brought the heat, but do their calls for no contact miss the nuance? This crush-fueled drama’s got everyone talking.

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This saga of a teen’s unchecked crush shows how fast family “jokes” can spiral into chaos. The man’s stand for boundaries, backed by his girlfriend, protects their growing family but leaves her relatives fuming. Navigating teenage emotions and family expectations is no easy feat, especially with a baby on the way. Would you cut contact or try to mend the rift? Share your thoughts and experiences below—let’s keep this conversation rolling!

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