My Boyfriend Was Dating My Sister and Me at the Same Time – Karma Hit Him So Fast He Didn’t Even See It Coming

For a year, I believed I was building a future with the perfect man. I didn't realize I was sharing him until one unexpected night forced the truth into the open.

My name is Lucy, and if you'd asked me a year before all of this happened, I would've told you I was the lucky sister.

Kathy was my younger sister by two years. She was bold and fearless in a way I hadn't ever been.

I was the planner, the cautious one.

I was also the first one to get a serious boyfriend.

She was bold and fearless...

Nick walked into my life as if he'd rehearsed it.

He was charming, handsome, funny, and confident. He worked in corporate sales, made good money, and treated me like a queen. When he looked at me, I felt chosen.

He'd cup my face and whisper, "You're my future wife."

I believed him.

By the time our first anniversary approached, I'd memorized the way he ordered his coffee, how he checked his phone when he thought I wasn't looking, and the way he always avoided talking about past relationships.

I believed him.

"I hate drama," he'd say. "I don't bring baggage into something good."

I thought that meant maturity. I hadn't realized it meant secrecy.

***

On Valentine's Day, I had something planned that would change everything.

I reserved a table at our favorite little restaurant downtown. I carried a small envelope in my purse.

Inside was a pregnancy test with two pink lines and a tiny card that read, "Hi, Daddy."

"I hate drama."

I'd stared at those pink lines for hours the week before. I hadn't told anyone, not even Kathy.

I was terrified but also hopeful and already dreaming about our wedding.

But just a few minutes before our date, Nick texted me.

"SORRY, I CAN'T COME. LET'S MEET ANOTHER TIME."

For a moment, I thought I'd misread it.

I called him immediately.

I hadn't told anyone...

It rang once and went to voicemail.

"Nick, what's going on?" I said into the phone. "I've already reserved the table."

No response.

I felt the sting behind my eyes but refused to cry. Not wanting to waste money, I went anyway.

I told myself to at least eat the dessert I'd been saving for us.

But when I stepped into the restaurant, I froze.

Kathy was sitting near the back, twisting her straw between her fingers.

"Nick, what's going on?"

She looked up and smiled as I approached. "Lucy? What are you doing here?"

"I had plans," I said slowly. "You?"

She let out a short laugh. "Oh my gosh, sweetie, you won't believe this. I invited a guy I've been seeing on a date, and he canceled at the last second. Literally minutes before!"

Something inside me tightened.

"What guy? Show him to me," I said, forcing a smile.

When Kathy handed me her phone, I almost lost my mind!

...he canceled at the last second.

There he was, my Nick.

He was smiling in the selfie, his arm wrapped around her shoulders, his lips pressed to her cheek. He wore the same gray sweater he had worn to my apartment the week before.

"But he's my boyfriend," I whispered. "Didn't he tell you?"

Kathy's smile vanished. "What?" Her hand flew to her mouth.

"No. We've been dating for over six months. He's sweet, but he hates drama and doesn't talk about his past. He said he's focused on building something real."

"But he's my boyfriend."

I stopped breathing.

"I've been with him for a year," I said, my voice shaking. My hand moved to my stomach before I could stop it. "And I'm pregnant."

Her eyes widened. "Lucy..."

We stared at each other as the noise of the restaurant faded into the background.

Then Kathy straightened in her chair. "We're not fighting over him or turning this into some sister drama. We need to figure out what's really going on."

I nodded, even though my chest felt tight.

We started comparing details.

I stopped breathing.

We shared the same pet names. We heard the same excuses about client dinners and experienced the same "last-minute emergencies."

He'd never met our parents or friends, so he clearly wasn't aware that we were sisters. He kept his worlds separate on purpose.

By some insane coincidence, we'd both invited him to the same restaurant on Valentine's Day.

Suddenly, Kathy grabbed my hand and said firmly, "I have an idea on how to teach him a lesson. Listen carefully. You need to do this. Get a hold of his precious notebook."

We shared the same pet names.

We quickly discovered that we both knew about and had seen his little black book.

Nick claimed he used it to keep track of his clients, but we strongly suspected it might be more than that.

That was when I made my first real decision.

"I'm not waiting for him to confess," I said. "I'm going to find out how far this goes."

Kathy leaned forward. "You think there are more women?"

"Yes," I said. "And if there are, that book might have the proof."

"I'm not waiting for him to confess."

Kathy shook her head.

"Yep. No one guards a client list like that. And if the book isn't what we think it is, then we have to try to copy his phone contacts."

I agreed, and we built a plan over melted dessert and untouched coffee.

***

Nick and I already had plans for the following week to make up for Valentine's Day. I texted him that night.

"I can't wait to see you next week," I wrote.

He replied within minutes. "Me too. I miss you!"

The lie almost made me laugh.

Kathy shook her head.

When the day arrived, I forced myself to act normally. I wore the blue dress he liked and let him kiss my cheek when he arrived at my apartment.

"I'm so sorry about last week," he said smoothly. "My boss threw a last-minute meeting at me. You know big clients don't care about holidays."

I smiled, but inside I felt something harden.

While he showered that evening, his jacket sat on the edge of my couch. The black notebook peeked out of the inside pocket.

My pulse pounded in my ears.

...I forced myself to act normally.

I slipped the notebook into my tote bag and carefully placed his jacket exactly where it had been. When he came out, toweling his hair, he studied me.

"You seem quiet," he said. "Everything okay?"

"I'm just tired," I replied. "Work's been a lot."

He accepted that.

After he left, I locked the door and called Kathy.

"I have it," I whispered.

She arrived 20 minutes later, her face tense with anticipation.

"Everything okay?"

We opened the notebook together at my kitchen table.

It didn't seem to contain client names, unless they were all women. The book also included their phone numbers.

The names were written in black ink, but others were scratched out in red.

Next to several names were notes like "favorite wine," "no family talk," and "weekend only."

I felt sick.

Then sadness quickly turned into clarity.

It didn't seem to contain client names...

"We're calling them. We need to know for sure who they are and what they know," I said.

One by one, we dialed the numbers.

Some women hung up, some swore, and others cried. But every single one confirmed they were currently dating Nick or had dated him recently.

Then we reached another name scratched out in red: Emily.

She answered on the second ring.

When I explained who I was, she went silent.

"We're calling them."

"He told me he was serious until he wasn't," she said finally. "I think he dumped me when he discovered who my mom is," Emily replied. "She's his boss."

Kathy and I exchanged a look.

Emily continued, her voice trembling. "He ghosted me three weeks ago. I had no idea Nick was juggling other women."

An idea began to form.

"Would you be willing to meet us?" I asked.

There was a pause.

"If it means exposing him," she said, "yes."

That was when the power shifted in our favor.

"She's his boss."

And I knew exactly where the final confrontation would happen.

At the same restaurant where he'd stood me up.

***

I texted Nick two days later.

"Can we redo Valentine's properly? Same restaurant. Friday at 7 p.m."

He replied within minutes. "Of course! I owe you that."

You owe me more than you know, I thought.

I texted Nick two days later.

The next few days felt surreal.

Kathy and I met with Emily at a quiet coffee shop. She was clearly still hurt.

"He told me he wanted to build a future," she said.

Kathy leaned forward. "Would your mom come if we asked?"

Emily hesitated. "If she knew the truth, yes."

I took a breath. "Then let's give her the truth."

She was clearly still hurt.

By Friday evening, my nerves were stretched tight, but my voice was steady.

Nick arrived five minutes late, smiling as if nothing in his world were unstable.

"You look beautiful," he said, leaning down to kiss my cheek.

I let him. I needed him to be relaxed.

We ordered dinner.

Small talk filled the space between us, but it felt hollow.

I needed him to be relaxed.

Halfway through the meal, I reached into my purse and placed a small envelope on the table.

His smile faltered.

"What's that?"

"I was going to give this to you on Valentine's Day," I said.

He opened it.

His eyes landed on the pregnancy test.

For a split second, something flickered across his face, but then he exhaled.

"I knew," he said.

The words stunned me. "You knew?"

His smile faltered.

"I found the box in your bathroom trash last week," he replied calmly.

That was new information.

"And you still canceled on Valentine's Day?" I asked quietly.

He shifted in his seat. "Lucy, can this wait? I need to make a work call. This is a big conversation."

Before I could respond, his phone buzzed. He stood to step away from the table but angled his body toward the exit. He was preparing to run. I could see it.

He shifted in his seat.

Right on cue, Kathy walked toward our table.

She wasn't alone. Emily followed beside her.

Spotting them, Nick froze mid-step.

"Nick," Kathy called out sweetly. "Don't leave. We're just getting started."

His face drained of color. "What is this?"

I folded my hands on the table. "Sit down."

For a moment, he didn't. Then he sighed and sat down.

She wasn't alone.

Nick tried to spin his lies and explain it all away until a tall woman in a tailored navy suit made her way to our table. Her posture was sharp; her expression unreadable.

She extended her hand toward me. "I'm Rebecca, Emily's mother and your boyfriend's boss."

Nick's jaw tightened. "Ma'am, this isn't appropriate."

Rebecca's gaze was steady.

"What's not appropriate is lying to my daughter while representing my company."

Emily placed the black notebook on the table.

Nick's eyes widened.

"Ma'am, this isn't appropriate."

Rebecca opened the notebook and flipped through the pages. The women's names, crossed out in red, stood out under the candlelight.

"Would you care to explain why my daughter's name is crossed out?" she asked calmly.

Nick swallowed. "It was just a way to organize things."

"Organize what?" Kathy snapped. "Your rotation schedule?"

He shot her a look. "I didn't know you two were related."

I let out a short laugh. "You didn't ask. You never ask about family. That's intentional."

He shot her a look.

He tried to recover. "Lucy, this isn't what it looks like."

"It looks like you dated multiple women simultaneously," I said. "It looks like you lied to all of us and told me I was your future wife while keeping backups."

Rebecca closed the notebook firmly. "Nick, you met my husband. You shook his hand. You discussed long-term goals. Meanwhile, you were juggling our daughter with your many relationships?"

Nick's voice sharpened. "My personal life has nothing to do with my job."

Rebecca held his gaze. "Integrity always has something to do with your job."

Silence settled over the table.

"Nick, you met my husband."

Then she continued, "You will not be returning to the office on Monday. We expect your company phone and laptop by 9 a.m."

Nick stared at her. "You're firing me? Over this?!"

"Over dishonesty," she corrected.

His composure finally cracked. He looked at me for support.

I stared back and said nothing.

Then he stood abruptly, knocking his chair back.

"This is ridiculous!" he snapped.

But no one moved to stop him when he walked out.

"You're firing me?"

The restaurant returned to its quiet hum.

I exhaled slowly.

Rebecca turned to Kathy and me. "I'm sorry you two were pulled into this."

"Thank you for believing us," I said.

Emily reached across the table and squeezed our hands.

Rebecca gave a small nod. "Take care of yourself and that baby."

After they left, Kathy stayed.

I exhaled slowly.

For a moment, we sat in silence.

Then she nudged me gently.

"You know what this means, right?"

"What?" I asked.

She smiled. "It means we're raising this baby together. He doesn't get to run from responsibility anymore."

My throat tightened. "I don't know what I'm doing."

She squeezed my hand. "Neither do I. But we'll figure it out. That's what sisters do."

I let out a shaky laugh.

...we're raising this baby together.

For the first time in weeks, I didn't feel betrayed or naive.

I felt strong.

Nick had thought he could divide his life into neat categories, but in the end, he'd miscalculated one thing.

He hadn't expected some of the women to compare notes.

And he definitely hadn't expected sisters.

If this happened to you, what would you do? We’d love to hear your thoughts in the Facebook comments.

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