The Eighty Degree Wednesdays

I am the kind of person who reads the monthly energy report. Daniel used to tease me about it, the way I would sit at the kitchen table with my coffee and scroll through the little graphs the thermostat app generated, frowning at peaks and dips like a cardiologist reading an EKG. He thought it was endearing. I thought it was responsible. We had a mortgage, a heat pump that wheezed every January, and a shared spreadsheet where I tracked every bill down to the cent. I knew our house the way you know your own heartbeat.

That is how I noticed it. Not an affair, not lipstick, not a strange perfume. A graph.

It was February, the coldest stretch we'd had in years, and our heating usage had a spike in it. A clean, vertical spike, the same shape, in the same place, every single week. Wednesday afternoons. I remember squinting at it, certain the app had glitched. We kept the house at sixty-six during the day to save money, sixty-three when no one was home. But on Wednesdays, between roughly one and four in the afternoon, the thermostat had been manually overridden and cranked all the way up to eighty.

Eighty degrees. In the dead of winter. While I was at work and the house was supposed to be empty.

My first thought, I'm almost embarrassed to admit, was that we had a fault in the system. A short, a sensor going bad, a phantom command. I work in logistics; I troubleshoot anomalies for a living. So I treated it like one. I checked the schedule. I checked whether a software update had reset something. I even called the manufacturer's support line on my lunch break and described the pattern to a polite young man who said, very gently, that the logs showed the changes were made from inside the home. Manually. At the wall unit.

Someone was in my house every Wednesday afternoon, turning it into a sauna.

Daniel worked from home on Wednesdays. That was the one detail I kept circling back to, the one I kept trying to make innocent. Maybe he got cold. Maybe he forgot to turn it back down. But he never forgot anything that cost money; he was tighter with the heat than I was. And why eighty? You don't sit at your desk in a parka-melting eighty degrees to answer emails.

I didn't say anything to him. That is the part I'm proudest of and most ashamed of, both at once. I went quiet and watchful. I started noticing other things, the way you do once one thread comes loose. He'd started showering in the late afternoon. He'd bought a candle, a real one, vanilla, which was not something Daniel had ever done in eleven years. The throw blanket from the back of the couch kept ending up folded wrong, tucked the way I never tuck it.

The following Wednesday I told my manager I had a dentist appointment and I left at noon.

I sat in my car at the end of our street for twenty minutes, watching my own house like a stranger, my hands cold on the wheel even with the heater running. There was a car in the visitor spot near the curb. I knew that car. It belonged to Renata, who lived four doors down, who had brought us a casserole when we moved in, who waved at me across the mailboxes. Her husband traveled for work. We'd had them over for wine once and I'd thought, isn't this nice, isn't this what neighbors are supposed to be.

I walked up to my own front door with my key already in my hand and the house, even from the porch, radiated heat like a held breath.

I won't describe what I found in the living room. You already know. The blast of hot air when I opened the door, eighty degrees against the February cold, was almost the worst part, because it meant the comfort had been planned. He hadn't fumbled this in a rush. He had made it warm. He had made it nice. He had turned our home into a place built for it, week after week, and then turned the temperature back down before I came home so I would never feel the warmth he'd shared with someone else.

The graph never lied. He had been lying for months; the thermostat had been telling the truth the whole time, in clean vertical spikes, waiting for someone responsible enough to read it.

I read everything now. I just live somewhere else.