Her Sister Cheated While At Her Bachelorette Party, And Now She Isn’t Sure If She Should Tell Her Brother-In-Law

Yuliya - stock.adobe.com - illustrative purposes only, not the actual people
Yuliya - stock.adobe.com - illustrative purposes only, not the actual people

This young woman is currently engaged, and just a few weeks ago, she had her bachelorette party.

So, her sister– who is also a bridesmaid– as well as the rest of her bridal party and a few other close friends, all went out with her to a club.

At first, the night was going great, too. But then, her sister was spotted making out with a stranger multiple times throughout the night– even though she has been married for three years.

Now, one of her friends, Kate, was the main person who took issue with the infidelity and tried to intervene. She claims that Kate has a really strong moral compass and just thought her sister’s behavior was downright inappropriate.

“I don’t know the full details of what happened or what was said because I was pretty drunk, and I wasn’t actually present for all of it,” she prefaced.

But, what she later gathered was that while in the club, Kate pulled her sister aside and told her sister off for both cheating on her husband and wrecking her bachelorette party.

However, it wasn’t just Kate who felt weird about her sister’s cheating– especially after the whole group watched her sister make out with another guy right in front of everyone.

So, after that, the vibe among her bachelorette party guests entirely shifted. Yet the drama was still far from over.

After her sister was berated by Kate, her sister found her and was apparently an absolute mess. Her sister had broken down into tears and just kept apologizing– claiming that she had messed up and didn’t know why she cheated.

Yuliya – stock.adobe.com – illustrative purposes only, not the actual people

Although Kate then proceeded to start badmouthing her marriage, revealing how her husband had been talking about wanting to split up.

According to her, this was not the first time she learned her sister had been having issues in her marriage, either.

“It’s known among our family that my brother-in-law is upset and disappointed with my sister because she goes out to bars and gets really flat-out drunk most weekends and some weekdays,” she revealed.

Her brother-in-law, on the other hand, is much more introverted and just does not enjoy going out or getting drunk with her sister. So, he thinks her sister’s behavior is immature, and he has gotten pretty fed up with it– especially because they were planning to start a family sometime soon.

Anyway, after her sister broke down in the club, she did calm down a bit. Then, she and the rest of the group were able to head back to the Airbnb that they had rented for the weekend.

But, the following morning, her sister still wanted to talk to her about what happened in private. During that conversation, her sister proceeded to accuse Kate of being really rude for intervening and passing judgment on the cheating.

At that point, she realized her sister’s attitude had completely flipped from the night before– when her sister was really apologetic and regretful and even thanked Kate for getting involved.

“But to be honest, this kind of attitude switch is not surprising from my sister,” she admitted.

“She has a strong personality and changes her mind really quickly. And she often has to have the final say and gets angry easily when things don’t go her way.”

So, her sister just kept ranting and claiming that her friends did not have any right to talk or judge. And while her sister did admit again that the cheating was wrong, she still thought her sister seemed more annoyed than guilty or remorseful.

Regardless, the group eventually had to return home at the end of the weekend. Yet, after they split up, her sister kept talking about the incident at the club.

Once she got home, she received a bunch of long text messages from her sister detailing how sorry she was for “ruining” the bachelorette party.

Within those messages, her sister also claimed to want to go to couples therapy with her husband and promised she would tell him everything.

But honestly, she didn’t provide a massive response in terms of the cheating. Instead, she just acknowledged her sister’s apology and reiterated how she would be there for her sister if she could help in any way.

Rather than moving on from the topic, though, her sister just kept going. In the following messages, however, her sister asked her not to speak about the cheating with anyone– including her own fiancé.

Now, she had already filled her fiancé in on the situation before her sister ever reached out. So, he was aware, but her sister claimed that she would “eventually” tell her own husband about the infidelity.

However, it has now been a few weeks since her bachelorette party, and her sister has not told her husband about the cheating.

And to make matters worse, she found out just a few days ago that her sister and brother-in-law are now trying to have a baby.

So, she has been fighting an internal battle because she really does not think they should start having kids together until their relationship problems are squared away.

She also admitted how she has always really liked her brother-in-law. She thinks he is a decent guy who genuinely cares and loves her sister.

“And I would hate to see him get hurt because she decided to keep him in the dark. As they say, all secrets come out eventually,” she said.

Still, she is seriously torn about what to do. On the one hand, she knows it’s not really her place to tell her brother-in-law about the cheating and thinks the information should really come from her sister.

But on the other hand, she genuinely believes what her sister is doing is very wrong, and it is seriously making her uncomfortable.

So, she’s now been left wondering whether she should just keep her mouth shut or tell her brother-in-law that her sister cheated on him.

Do you agree that her sister should be the one to own up to the cheating? Even if that’s true, what if her sister refuses to ever come clean? Do you think she should tell her brother-in-law about what happened at the club? What would you do?

You can read the original post on Reddit here.

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Katharina Buczek graduated from Stony Brook University with a degree in Journalism and a minor in Digital Arts. Specializing ... More about Katharina Buczek

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