She didn’t even knock the first time. She just rattled the door handle.

I was on the couch. The bass from her party was shaking the picture frames on my wall. I almost opened it without thinking. But I looked through the peephole. I knew who it was.

Jen. Sequins. Drunk. Holding a red cup.

I opened the door a crack.

“I need your Wi-Fi password,” she said. Not a question. The music behind her was so loud I could feel it in my chest. “My guests are complaining about my signal. Just give it to me.”

“No.”

I didn’t plan it. The word just came out. Flat and hard.

She blinked. “What do you mean, no?”

“I mean no. It’s late. I have work. And your music is shaking my house apart.”

She stared at me like I had just cussed her out for no reason. The smile dropped. Her eyes went cold.

“Fine,” she said. And she walked away.

I closed the door. I locked it. And I stood there in the dark with my heart pounding in my throat.

I wasn’t scared of her. I was scared of what I had just given away.

Let me back up.

I have lived next to Jen and her husband Mark for three years. Jen is a force of nature. Party planner. Neighborhood queen. Loud. Generous when she wanted to be. But the kind of generous that comes with strings.

Mark is the man holding the strings. Quiet. Handy. The guy who waves and comes over to help before you can ask.

I was divorced. Lonely. The kind of lonely that makes you do things you know are wrong while your brain tells you it is fine.

It started with him bringing back my trash cans. Then coffee on the porch while Jen was at work. Then midnight texts.

One afternoon in my kitchen he kissed me. I kissed him back. I told myself it was just physical. That I deserved some happiness. That she treated him badly so it was okay.

It went on for months. Eight months of sneaking. Eight months of deleting texts. Eight months of looking her in the eye at the mailbox and smiling like I wasn’t sleeping in her bed when she was gone.

I kept every message. I checked his location. I was addicted to the game of it. And the whole time, my router was logging everything. Every ping. Every connection.

When she knocked that night, I was terrified. Because I had just texted him. “Miss you. Need to see you tonight.”

I had not deleted it yet.

So when she asked for my password, I couldn’t give it to her. If she got on my network, she could see the devices.The party silence was the loudest thing I have ever heard. Then my phone rang.

His voice was wrecked. “She knows. She went straight to my phone when she came back. She saw everything.”

I couldn’t breathe.

“She asked for your password to see if you would let her in,” he said. “You didn’t. That was all the proof she needed.”

I hung up.

I sat there in my dark living room, looking at her dark house next door. The lights were off. She had gone inside.

I had just spent eight months sneaking, and I had given myself away in five seconds.

The worst part was knowing he was right. I never had to say a word. My “no” told her everything.

I sat in the dark for I do not know how long. My phone was face down on the coffee table. I was terrified to touch it. What would I see? A text from him saying it was over? A text from her calling me every name she could think of? I had earned both.

I picked it up. Nothing.

No new messages. No missed calls. Just the silence of a dying party next door.

I got up and walked to my kitchen window. The one that faces their house. The living room light was still on. Through the blinds I saw a shape moving. It was her. She had her back to me. She was standing with her arms locked across her chest, facing someone I could not see.

I did not need to see him. I knew he was there.

She stood like that for a long time. Then she turned off the light.

I kept standing at the window. The street went black. I waited for his headlights to cut on. For him to drive away. For her to pack a bag. But nothing moved. They were both in there. In the dark.

My phone buzzed. I jumped so hard I nearly dropped it.

It was a text. From him.

“Can’t talk tonight. I am so sorry.”

I wrote back anyway. “What did she say? Is she okay? Are you?”

He never replied.

I sat back down on my couch. The couch where I had sat when he kissed me that first afternoon. I ran my hand over the cushion. I could almost feel him there.

That was the real loss. Not the affair. Not the secret. That moment in the kitchen, when he looked at me like I was the only person in the world. That was what I had given away when I said no at the door.

I didn’t give her proof. I gave her the one thing I had left.

I watched the clock hit 4 AM. The street was dead. The Wi-Fi router sat on the shelf, blinking its little green light. It had been the connection to everything I wanted. And in the end, it connected her to the truth.

I never had to say a word. My “no” told her everything.