AITA for asking my fiancee to stop squeezing the bottle of coke before she puts the lid on

Haunted by a past marred with abuse, she carries invisible scars that shape every part of her world. Her fiancé, standing steadfast by her side, navigates the delicate balance of love and support, trying to mend the fragile pieces of her heart while grappling with the echoes of trauma that linger in even the smallest actions.

The simple act of squeezing a diet coke bottle becomes a silent battlefield—a subtle reminder of the control once imposed upon her. In this quiet struggle, the weight of old wounds clashes with the hope for healing, revealing how deeply the past can infiltrate the present, testing their bond with every unspoken pain.

AITA for asking my fiancee to stop squeezing the bottle of coke before she puts the lid on

We’re both about 40.

My fiancée was abused by her stepfather. I feel like I have provided a lot of support with her as she deals with the emotional fallout of this and resulting mental health problems. He isn’t in her life any more and hasn’t been for decades.

He also told her to squeeze the bottle of diet coke before she puts it in the fridge. Doing so makes the coke go flat, and really the bottle should be as inflated as possible to keep the coke crisp for as long as it can be.

I know that she learned this from her stepfather as I’d previously asked her to stop doing it and she said “okay, yknow it was him who told me to do it in the first place!”

However I don’t think she ever really stopped doing it, and recently it started up again. She can be very sensitive when certain subjects come up in conversation. I noticed that the diet coke she bought for me was flat because she had squeezed the bottle before putting the lid on it and asked her to stop doing it.

This conversation is pretty much verbatim.

I said, “can you please stop squeezing the bottle before you put the lid on it? It makes the coke go flat.”

She said, “Yeah, you’re right. Did you know it was my stepdad who told me to do that?”

I said, “Yes, I did.” (As I noted, she has already told me this). “I thought I’d have to be careful about this conversation!”

Then the conversation ended. She seemed fine.

The following day I learned that I am a horrible person for asking her to stop doing this, and that bringing this subject up shows that I value diet coke more than her mental health.

Here’s how people reacted:

Groundbreaking_Bat22

INFO. We don’t have nearly enough context here and your paraphrasing of the issue seems intentionally vague so as to paint her as ridiculous.

Are you meaning to ask if you’re TA because you’ve inadvertently triggered her? Are you meaning to imply she’s TA for having this trigger and so you aren’t responsible for triggering her because you’ve decided enough time has passed (not really how triggers work?) For how she communicated? She seems to agree she should stop squeezing the bottle so I can’t see how she’d be TA in that regard.

No way can the real issue be flat soda. if you don’t like how she stores soft drinks or vice versa, just get separate bottles.

BulletDodger

Actually, she is correct. Squeezing the air out keeps the soda from going flat. For a small bottle, it is kind of pointless, but on 2-liter bottles it absolutely keeps the soda fizzier. Everbody on Reddit thinks they are some kind of expert on gas dispersion.

The empty space above the liquid allows gas to build up until it is at an equilibrium with the gas in the soda. By reducing the available space, you further limit the amount of gas that can escape before equilibrium is reached. 

[https://youtu.be/7T9NbVYexhY?si=9DJYGNECuZbze0y3&t=92](https://youtu.be/7T9NbVYexhY?si=9DJYGNECuZbze0y3&t=92)

PeegeReddits

Whenever I find someone reacts intensly to something that shouldn’t be a big deal, I step back from the situation and ask myself:

1. What did it say to them? / What did they hear?

That you were intentionally reminding her of her abuser when you didn’t need to.

Break it down further: It says you don’t care about her feelings.

Break it down further: You don’t care about her.

2. What do they *need* / what need isn’t being met?

Bloobberry27

Get your own bottles, get cans, get a SodaStream and the dirt coke syrup.

There are so many alternative options, this doesn’t need to become an issue.

She tried to stop and reverted back, seems to me like that’s built in deep and will take time for her to overcome. If it’s so important to you that you keep bringing it up, we may have bigger issues here, but it can be solved at least temporarily by finding another solution.

bnyc

>Doing so makes the coke go flat, and really the bottle should be as inflated as possible to keep the coke crisp for as long as it can be.

What are you talking about? I don’t want a bunch of squeezed bottles, but the drink stays more carbonated with the less amount the air in the bottle. The more head space, the quicker the drink will go flat. YTA for being wrong while being stubborn about how right you are.

Individual_Mud_2530

… Always thought squeezing the bottle kept the CO2 from off gassing b.c. less expansion volume. Is this just olde wives tale crap? Like some sort of hold over from when car battery’s were made with wood and glass casings. And the ground moisture causing wood to expand and damage glass thus causing the “don’t leave your battery on the ground or it will drain it”
shygirl_101

I have a feeling this is a much broader issue past the coke, do you find some of her habits from childhood irritate you more than normal besides the coke bottle? No shade intended, it just seems there may be underlying annoyance or feelings towards her actions that may be bigger, like if she uses her childhood as a way out of most small tasks or requests
UnhappyTemperature18

…so. ESH. Kind of? Things her abuser taught her are (obviously!) going to be a trigger point; maybe don’t be messing with ANY of that. But. If you care about the fizziness of your drinks, then take responsibility for that. Buy your own drinks, put them away the way you want them. She needs therapy. You need to respect her boundaries.
Rosie_Hymen

If you squeeze the bottle, its not as hard to open next time. Yes it goes flat quicker. So if the bottle lasts for a while its not good to do. But if you dont squeeze the bottle it swells and the cap is so tight you cant unscrew it. Thats why I do it. Fizzy pop doesnt matter if you cant open it.
NotTrynaMakeWaves

Boyle’s Law says that you are wrong.

If you squeeze out the air, the dissolved CO2 hasn’t got any air to move into which keeps it in the liquid longer.

You are 100% in the wrong and making your partner suffer.

YTA

ScarletNotThatOne

ESH. She should work this out with a therapist, someone who does EMDR or similar, she’d have a much better life.

But meanwhile? either get your own soda, or suck it up flat. Give her a break.

PrestigiousFace6756

If she was abused by her stepfather and he’s the one who told her to do this, she probably does it without even realizing it. You telling her probably brings back memories, just buy cans.
kevin_k

What you’re meaning is that squeezing the bottle before calling it creates a partial vacuum in the bottle that makes it more likely for the CO^2 to get pulled out of the neverage
NeuroticAttic

Two bottles, one for her, one for you. Problem solved.

NAH, imo. She’s coming from a place of trauma, you’re not being mean or harsh (based on your own retelling).

Tasty-Fondant2913

YTA…40 and squabbling over something so insignificant! Stop drinking Diet Coke…let her have her thing. It’ll be healthier for your body and your relationship!
scdemandred

INFO: have you looked into whether it’s actually true that squeezing the bottle makes the soda go flat, or is this just something you believe to be true?
StAlvis

NTA

> Doing so makes the coke go flat

Yeah, what the actual fuck? Physics doesn’t care about your fiancée’s relationship with her stepdad.

sallystruthers69

Are you sure it makes it go flat? I just saw a video stating the opposite, how the co2 has less places to go if you squeeze it.
fritterkitter

You’re both weird for caring so much about this. And squeezing the bottle has no effect on the carbonation.

Conclusion

The Original Poster (OP) is facing a conflict where a small, seemingly logical request about preserving a drink’s quality has triggered a significant emotional reaction rooted in past trauma. The OP’s direct request to change a specific behavior collided with the fiancée’s deeply ingrained learned response associated with her stepfather, leading to the OP being accused of devaluing her mental health.

Is the fiancée justified in interpreting a simple request about beverage quality as an attack on her past trauma and mental health, or was the OP reasonable in expecting a small, non-trauma-related habit to be adjusted upon request?

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