AITA for telling my adult sister to flush the toilet after she uses it?

You won’t believe what this person discovered about their sister’s truly shocking bathroom habits. It turns out, there’s a bizarre reason why their sister refuses to flush the toilet, leaving everyone in the house bewildered and disgusted.

So, I feel like I’m going insane here, and the fact that I even have to ask this is, frankly, ridiculous, but here I am.

Both my sister and I are at home from college this summer, and with that comes living with other people’s habits. My sister has this habit that I find truly vile. Every morning, without fail, she uses the bathroom, and every morning, without fail, she refuses to flush.

It’s not a courtesy thing, because she wakes up at noon most days so she’s not running the risk of waking other people up.

To be honest, I got annoyed with this. She just leaves it all to stew in the toilet, and she leaves the lid up to boot (everyone else in my house closes the lid after and we leave it closed while the toilet isn’t in use). I got sick of this because it’s a disgusting habit, and I told her “Can you please flush the toilet after you use it, you’re not the only person living here.” Her only response was to roll her eyes and tell me to “Grow the fuck up”

I took this up with our mother because my mom is a notorious clean freak who would get on my cousin’s case for doing the same thing. That, and my sister actually listens to her. The thing is, my mom seemed genuinely annoyed that I would even comment on this and dismissed me rather rudely telling me to just let it go.

I am so freaking confused here, am I in the wrong? Do people not flush their toilets anymore? Is it somehow rude to tell your siblings to be more hygenic with their treatment of a communal setting? I should note that this bathroom isn’t only hers, both of the bathrooms in our house are shared by the whole family.

Am I the AH here?

Here’s how people reacted:

PaintLicker_2022

NTA. But you know your sisters schedule. So go in about 30 minutes before her usual time and take a massive dump and let it linger.
If convention means of communication fail, sometimes it takes unconventional ones to drive a point home…

disney_nerd_mom

NTA. maybe stop flushing when you use it so she gets to see what it is like.

Emotional_Fan_7011

NTA. That’s gross. She needs to grow up and flush the damn toilet.

lonnielee3

NTA. Your sister is being nasty. I am assuming that there is not a problem with the toilet that it is not doing it flush properly. (That happened to me once, so embarrassing.) If your mom doesn’t mind feces in the bowl, leave it for mom to find. You go somewhere else and pretend ignorance.

madoosles

Info: is this some environmental statement? If it’s yellow, let it mellow. If it’s brown, flush it down.

Accomplished_Put7165

Yo that’s disgusting. If your mother has no problem with it then take a dump in your mother’s bathroom and leave it for her. When she yells pretend ignorance. Or if she knows it’s you then tell her that’s how it feels when your sister leaves it like that.

Edit: NTA

Alita_Moonsong

NTA

It is a water saving technique. “If it’s brown, flush it down. If it’s yellow let it mellow.” However this doesn’t mean that it should be followed by a single member of the family. Especially not when another member asks not to do so.

But think about this. You mother apparently knows your sister doesn’t flush and wants you to let it go. So stop flushing yourself for a while. Because “Apparently its the new trend, so when in Rome.” Then see how long it is before your mother finally steps into action about it.

Dry_Distribution_964

NTA it is disgusting

Smokedealers84

I don’t know if that is the case but in my family we don’t flush unless it’s number 2.

ClothesQueasy2828

NTA. First thought: ewwww!!!! Second thought: who does this? It’s incredibly gross if you’re the next person to use it. Why would you just let it go? There’s something wacky going on here. Can you use the other bathroom?

1568314

NTA but if both bathrooms are communal I would just use the other one and leave her nastiness for her to deal with.

Gullible_Classic3609

Could there be some reasoning for not flushing? Do you need to conserve water due to lack of it or high price?

Awesomest1524

You are NTA.

I have a solution. Make an outhouse outside, very far away for your sister to exclusive crap into. It’s a hole in the ground, so there is no need for her to ever again flush. Problem solved!

JazzHandsNinja42

NTA NTA NTA – this is so repulsive and so unhygienic. I agree with other comments that you should leave her treasure to permeate the room (and house), and use another toilet. Let the whole family experience your sister’s gift. Having guests over should get interesting.
Eventually tell them all to Google “toilet plume”, and recommend a severe deep clean.

Due-Yoghurt4916

NTA take a laxative and return the favor. Or start doing it in the bathroom your mom uses. I’m betting this habit will be addressed quickly

Pentdecag0n

NTA. That’s revolting. Ironic that a petulant childish irresponsible filthy AH is telliing YOU to grow up. Maybe take a picture every time you see it and post it on social media and shame her for doing it and your mother for allowing this filth in her home. Social shaming may do the trick. Otherwise just get the F out of that house ASAP and never let your sistem visit your home.

willstamp

Info: what are we talkin’ here, tinkle or mush?

JetItTogether

NTA-

Asking someone to flush after using the commode isn’t out of line.

PizzaQuest420

NTA. you could try sending her a photo of her mess every time

canucksquatch

NTA start bringing it up in front of more and more people. Eventually your mom will get it. Then, nuch later, your sister will get it

Conclusion

The situation escalates as the sister’s defiance grows, leading to a confrontation that questions basic hygiene and familial respect. Discover how this seemingly simple act of not flushing a toilet unravels into a full-blown family crisis and what the ultimate, unexpected outcome is.