My parents threatened to raise my rent unless I became my sister’s free nanny. What they didn’t expect was that I would quietly leave—and let them deal with the chaos they had created.

Things had been simple enough until my older sister, Martha, came back into the picture.

Martha is 32, and there’s really no polite way to say this: responsibility has never been her strongest quality.

Growing up, she was the golden child.

I never knew whether it was because she was the firstborn or because our parents simply had a permanent soft spot for her, but in their eyes, Martha could almost never do anything wrong.

She dropped out of college twice.

The first time, she said she didn’t feel inspired.

The second time, she blamed professors for being too demanding.

She had also never managed to keep a job for more than a few months.

Whenever something became difficult, she quit and found a reason why someone else was responsible.

And every time, our parents rescued her.

If she fell behind on rent, they paid it.

If her car broke down, they covered the repairs.

When she got a speeding ticket, Mom wrote the check while complaining that police unfairly targeted young women.

Meanwhile, I was cleaning toilets at a diner to save for college and taking out loans to cover the rest of my tuition.

For the last couple of years, I assumed Martha had been living independently.

Apparently, I was wrong.

She had actually been moving from apartment to apartment, repeatedly falling behind on rent and depending on Mom and Dad to keep her afloat.

I didn’t know any of that until she showed up one day and casually announced that she was pregnant.

I’m not interested in judging anyone for their choices, but Martha was nowhere near financially or emotionally stable.

The baby’s father was a man she had only been seeing for a few months.

From what I understood, he wasn’t exactly excited about the pregnancy.

Once she told him, he essentially disappeared.

You might think becoming a mother would finally force Martha to get serious about her life.

It didn’t.

Instead, she ran directly to Mom and Dad, who immediately shifted into rescue mode.

Within a week, they began renovating their basement into a small apartment for her.

They even installed a kitchenette.

I never asked exactly where the money came from, but I overheard Mom mention using some of their retirement savings.

I tried to stay out of it.

It was their money.

If they wanted to spend it helping Martha again, that was their decision.

Still, I could already see where things were heading.

My parents had a habit of turning Martha’s problems into everyone else’s responsibility.

Whenever she created another mess, suddenly the entire family was expected to sacrifice until things were fixed.

At first, I convinced myself it wouldn’t involve me.

The basement would become Martha’s apartment.

She would have her own space.

I would continue working, saving money, and living my own life.

It was irritating to watch my parents bend over backward for her again, but I tried not to focus on it.

That lasted about two months.

Then the little comments started.

Mom began telling me I should spend more time with Martha because she was struggling.

Apparently, the fact that I worked full-time and came home exhausted most days wasn’t relevant.

Then came the guilt trips.

Mom would say things like, “You know, Martha doesn’t have anyone else to lean on right now. It’s so hard being pregnant and single.”

And every time she said it, she would look directly at me as if I were supposed to solve Martha’s situation.

Dad wasn’t much better.

He managed to bring Martha into nearly every conversation.

“You should be grateful for everything you have, Abby,” he’d say while passing the salt at dinner. “Not everyone’s as lucky as you.”

Lucky.

I was barely getting by while trying to establish my teaching career and save money.

Meanwhile, Martha was receiving a newly renovated apartment, financial support, and endless sympathy.

Then one evening, I overheard a conversation between Mom and Dad.

They were in the living room while I was in the kitchen making tea.

“She’s going to need a lot of help once the baby comes,” Mom said.

“Of course,” Dad replied. “We’ll all pitch in.”

“All?” Mom asked.

“Well, you, me, and Abby,” Dad said like it was obvious.

I almost dropped my mug.

Neither of them had mentioned this plan to me.

Yet apparently, they had already decided I would participate.

That was when the situation stopped feeling irritating and started feeling threatening.

I didn’t know exactly what they expected yet, but clearly they were planning to pull me into Martha’s life whether I agreed or not.

The uneasy feeling only became stronger as Martha started coming over more often.

She would drop onto the couch and complain about how difficult pregnancy was and how unfair it was that her ex had disappeared.

Then she would comment on how lucky I was to have a steady job and no children to worry about.

Every time, I bit my tongue.

But inside, I kept thinking the same thing.

Why does this always become my problem?

By the time we sat down for dinner one night, I knew something was coming.

Everyone was acting just a little too casual.

Mom and Dad chatted about meaningless things, including the neighbor’s new fence.

Martha sat scrolling through her phone.

It felt staged, as though everyone but me already knew the real topic.

Dinner was spaghetti, which happened to be Dad’s favorite meal whenever we needed to have some kind of family discussion.

I tried not to overthink it.

Then, halfway through dinner, Mom cleared her throat.

“So, we’ve been thinking,” she started, glancing at Dad.

I froze.

Nothing good ever followed that sentence.

“With Martha moving back home, she’s going to need some help,” Mom continued, her voice overly sweet.

“Help with what exactly?” I asked, keeping my tone neutral.

Dad answered before she could.

“With the baby, of course. Martha’s got a lot on her plate right now, and it’s going to be hard for her to manage everything on her own.”

I glanced toward Martha.

She was still looking at her phone as though the conversation had nothing to do with her.

“Okay, but what does that have to do with me?” I asked, setting my fork down.

Mom and Dad exchanged a look.

“Well,” Mom began. “You’re already living here, and you’re so good with kids, being a teacher and all. We thought it made sense for you to help with babysitting.”

“Help?” I repeated, raising an eyebrow.

Dad nodded enthusiastically.

“Yeah, you know, just keep an eye on the baby while Martha gets back on her feet. It wouldn’t be full-time or anything, just when you’re home.”

I stared at him.

“You want me to babysit a newborn on top of working full-time?”

“Well, you’re home by three most days,” Mom pointed out.

“And you’re not paying market rent,” Dad added, as if that somehow settled it.

That was when I understood.

They weren’t asking me for occasional help.

They were planning to turn every hour I wasn’t at work into unpaid childcare.

“Wait, let me get this straight,” I said, leaning back in my chair. “You want me to come home from teaching all day and then take care of Martha’s baby?”

Mom sighed as if I were deliberately making things difficult.

“It’s not like that, Abby. We’re all going to pitch in.”

“All?” I repeated.

“Yes,” Dad said. “We’re all family, and family helps each other.”

Finally, Martha looked up.

“Wow, Abby,” she said, smirking. “I didn’t realize helping your sister was such a big deal for you.”

My hands tightened under the table.