I Suspected My Husband Was Cheating on Me and Followed Him One Day

When Lily and Jason's son, Nathan, brings his fiancée home for the long weekend, Lily is excited to get to know the young woman. But during that weekend, she notices her husband acting strange. So, she tries to uncover what is going on with Jason — only to open a can of worms with secrets wriggling everywhere.

From the moment Nathan introduced us to his fiancée, I knew something was off.

It wasn't that she wasn't sweet or lovely, because she was. Her name was Tessa, and she'd come to Chicago with Nathan from his college in Michigan to spend a long weekend with us and meet the family.

My son and his new beau had been dating for over a year, and she'd just been a name until now. Now that she was here, I could see why my son was head-over-heels. Tessa was sharp, funny, and kind in a genuine way.

Within minutes, my eight-year-old daughter, Sophie, was practically glued to her side.

But my husband, Jason, was different that night. Usually, he's animated and easygoing, especially around Nathan and his friends. But when Tessa was around, he was quiet, almost as if he were retreating into himself.

It was strange. Very strange.

At one point, I even noticed his hand shaking as he lifted his glass of wine. I didn't think much about it at the time. Honestly, it could have been anything from work or nerves about meeting our son's future wife for the first time.

But later, I couldn't shake the feeling that something was lurking behind his newfound silence.

That feeling only got stronger in the days that followed.

Jason would get jumpy if his phone buzzed while I was nearby, always flipping it over or pulling it close if I tried to sneak a peek. It wasn't like him to be so secretive.

But then, one night, as he slept, I finally let suspicion get the better of me. I crept over to his side of the bed and picked up his phone.

I took it to the bathroom with me and sitting on the edge of the counter, I unlocked it with his code. It was the kids' birthday, so it was a complete no-brainer.

I hated what I was doing, but I just needed to see if I was losing my mind or if something was really wrong.

I scrolled for a second or two before everything changed. One message stopped me in my tracks.

I'll be waiting for you at the restaurant tomorrow. 6 P.M., okay?

The sender was Tessa.

The blood drained from my face, and my stomach twisted. I read the message over and over again, hoping, praying that I'd misread it.

Tessa.

Nathan's fiancée.

Our son's fiancée was arranging secret dates with my husband? I knew that I had to see it with my own eyes.

The next day, I watched until Jason left the house at 5 P.M. I got into my car and followed him. I parked outside the restaurant, where Jason jumped out of his car and hugged Tessa, who was waiting outside, scrolling on her phone.

I could see them clearly through the large windows. There they were, sitting across from each other, laughing, heads close.

I felt sick.

My breath came in short, choppy gasps.

What the hell was this?

And then, to make it worse, Jason reached out and took her hand, his expression softening in a way I hadn't seen in a long time.

That was it.

I couldn't sit there and watch them share a secret that was tearing me apart. If this was killing me, what would it do to Nathan?

I threw open the car door, marched right into the restaurant, and stopped in front of them, crossing my arms as I glared at them both.

Jason looked up, shock forming all over his face.

"Lily…"

"What is this?" I demanded, my voice barely holding together as my eyes darted between him and Tessa.

"I'm your wife, for goodness' sake, Jason! And you! You're my son's fiancée! Are you both out of your minds?"

Tessa's eyes widened; she looked like she wanted to be anywhere but here. I could feel every eye in the restaurant on us, but I didn't care.

Jason stood up, almost knocking over the bottle of wine that had been delivered to the table as I walked in.

"Lily, wait, this isn't what you think it is!" he said, his hands hanging limply at his side.

"Oh, it's not?" I shouted, crossing my arms. "Because it looks an awful lot like you're seeing your son's fiancée behind my back."

Tessa's lip trembled as she looked down. She looked like a sad child who just wanted a hug.

"Lily, sit down, please," Jason said. "I'll tell you everything."

I stayed standing, eyes locked on him, waiting for any explanation that could possibly make sense.

Jason looked at Tessa, then back at me. Tessa nodded and sighed.

"This is difficult to explain, Lil," he said. "But…Tessa is my daughter."

His words hit me like a physical blow.

"What?" I shouted. "How? When? What?"

Jason lowered his head, taking a long breath.

"Lily, I only just found out myself," he said. "I didn't know I had a daughter. But Tessa and I took a DNA test two weeks before she got here. The results came in yesterday. She’s mine."

I looked over at Tessa, whose face was red, her eyes misty. She nodded slowly.

"It's true. I…I wanted to tell Nathan when we found out, but I didn't know how. My mom saw a photo of your whole family on socials. She wanted to see if she could get a 'vibe' from you guys before letting me come here without her. She recognized Jason."

The poor girl sniffed.

Jason took over from her, his voice wavering.

"Twenty years ago, before I met you, Lily, I dated someone briefly. She left suddenly. She moved to another state, but I never heard from her again. I had no idea she was pregnant. It turns out that she was in another relationship, and when she eventually found out that she was pregnant…"

"She told my dad that I was his," Tessa finished off.

"Tessa didn't know I existed until Amanda saw that family photo. Not until recently."

"Until recently?" I whispered. I felt dizzy, the edges of the world blurring.

"So, Nathan's dating his sister," I asked.

Tessa put her hand over her mouth, and Jason reached for my hand, his touch gentle and comforting now that I knew he wasn’t having an affair.

"We're going to tell him tonight. I wanted to talk to you first, Lily, but you saw us here before I could. We just wanted to get our story straight first."

I sank into a chair, finally. I couldn't speak; I could barely breathe. For years, Jason and I had been inseparable, sharing everything. And now this?

This felt like an impossible nightmare that I couldn't comprehend.

But.

If I was being honest, this didn't really change things. It did, but it didn’t.

Because.

I couldn't have children myself, so both Nathan and Sophie were adopted as babies and raised as our own. There was no biological connection between Tessa and Nathan.

But I knew this would still break my son's heart. My mind raced through all the horrible scenarios that could unfold. The heartbreak Nathan would feel, and the chaos that this could cause for our family. But looking at Tessa, I saw her pain and confusion, a young woman caught in a secret she hadn't chosen.

"I'm sorry, Lily," Jason whispered. "I'm so, so sorry. We didn't mean for this to happen."

That night, we gathered as a family in our living room, the gravity of the moment pulling the air tight around us.

I watched as Jason and Tessa shared the truth with Nathan, watching as his face shifted from confusion to shock.

He sat silently, staring at Tessa, his fiancée, the woman he planned to marry.

"You're my sister?" Nathan asked, his voice hollow.

"In theory, Nate!" Jason chimed in. "Remember, you're adopted, son. There is no connection biologically. We're just so sorry that you both had to endure this. Especially at the beginning of your lives together…"

"How long have you known?" Nathan asked, ignoring Jason.

"Two weeks. Since my mother agreed to me coming over for the weekend," she said.

The pain and conflict in my son's face were almost too much to bear, but slowly, he took a breath, running his hand over his face. I just focused on the peace lily on the coffee table.

"I need time, Tessa," he said. "This is a lot."

But he held Tessa's hand, squeezing it gently as though to assure her that, somehow, they would get through it together.

Later that night, I sat on the porch, trying to wrap my thoughts around everything. I know that nothing between Jason and me changed, well, not really. I still think he should have told me, but he hadn't contacted Tessa's mother.

So, how was he to know?

But what about Nathan and Tessa now?

"Mom?" Nathan asked from behind me. "Can I sit with you?"

"Of course, you can," I said, scooting over.

"What do I do?" he asked. "I mean, really?"

"Does this change anything?" I asked. "Ask yourself honestly."

"No," he said quietly. "It should, shouldn't it? But it doesn't. Tessa only knows who Dad is, but she doesn’t know anything about him. Not really. They're basically strangers. But we're in love and happy."

"Then fight for your fairytale, son," I said. "I just want you to know that I'll support you through all of this. It's not Tessa's fault either."

"You know, I never thought I'd say this," Nathan said, looking amused. "But thank God I'm adopted!"

He started laughing, and before I knew it, I was laughing along with him.

In the weeks that followed, Nathan and Tessa chose to stay together despite everything, deciding that the bond they'd built wasn’t something they wanted to lose.

And as their wedding approached, I saw something new in Jason. There was a deeper gratitude for a daughter he'd never known and an even greater love for Sophie, who he started giving more attention to.

Now, I'm a stepmom and mother-in-law to Tessa, which isn't as wild as it sounds. But one thing is for sure: that sweet girl completes this family.

What would you have done?

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This work is inspired by real events and people, but it has been fictionalized for creative purposes. Names, characters, and details have been changed to protect privacy and enhance the narrative. Any resemblance to actual persons, living or dead, or actual events is purely coincidental and not intended by the author.

The author and publisher make no claims to the accuracy of events or the portrayal of characters and are not liable for any misinterpretation. This story is provided “as is,” and any opinions expressed are those of the characters and do not reflect the views of the author or publisher.