Doug drove the Chevy down to Terre Haute on a Thursday morning because he said his thirty-fifth high school reunion was a once-in-a-lifetime deal. I stayed behind at Saint Vincent’s because my shift rotation didn’t have any wiggle room. We had been married twenty-two years by that point, and you learn to trust a man who has packed his own socks and kissed you goodbye by the coffee maker for over two decades. He told me it was just going to be a bunch of old people looking at yearbooks and eating dry chicken in a hotel ballroom.

I kissed him on the cheek, told him to drink some water if he had a beer, and went back to charting.

The hospital is loud in a way that gets right into your bones. By Saturday night I was elbow-deep in saline flushes and IV pumps, completely forgetting about Terre Haute until my phone buzzed in my pocket during a quick chart check at the nurse’s station. It was a notification from Facebook. The reunion committee had finally uploaded the official album from the night before, sixty-four photos tagged by someone named Kathy who clearly loved taking pictures of everybody’s appetizers. I scrolled through them while waiting for a doctor’s callback. People looked older, softer around the middle, grinning under yellow banquet lights.

Then I hit the third photo in the second row, and my brain just kind of jammed up for a second. Doug was right in the middle, standing in front of a blue foil banner that said Class of 89.

He was grinning wider than I had ever seen him grin at our own kids’ college graduations. But that wasn’t what stopped my thumb. His right hand was resting flat on the waist of a woman in a green dress. Not a polite, distant hand for a group shot. His fingers were spread wide, settled right into her hip, and she had her whole body turned toward him like she belonged there. The caption tagged her as Sherry Alcott. I had never heard that name in twenty-two years of marriage. Not once.

I didn’t call him right then. You do not make phone calls from a busy hospital floor when your chest feels like someone just poured lead into it. I finished my shift, charted every single medication down to the last milliliter, and clocked out at exactly 7:40 in the morning. The drive home was quiet. The sun was just coming up over the interstate, turning the sky the color of dirty dishwater.

When I walked through the front door, Doug was sitting in the recliner with the local section of the paper open, drinking coffee from his favorite chipped mug. He didn’t even look up right away. He just mumbled something about me smelling like antiseptic.

I set my badge on the counter and asked him, as easy as I could manage, who Sherry from band was. He turned the page of the paper with a little rustle and didn’t blink. “Sherry? Just Sherry from band,” he said, his voice completely flat. “Played clarinet next to me all through junior high. Why do you ask?” I told him no reason at all and walked over to the kettle to make myself some tea. I watched the steam rise, listening to the small ticking sound of the kitchen clock, wondering how a man can say a name that easily when his fingers are printed all over another woman’s hip in high-definition color.

Here is the thing about spending twenty-six years nursing people through trauma. You learn very quickly to look at what people are trying to hide from you. People lie with their mouths all day long, but their hands and their feet almost always tell the truth. So that night, after Doug went down to sleep with the TV murmuring in the den, I sat up in our bed with the phone inches from my face and I started zooming in on every single picture in that album. I didn’t even look at Sherry’s face anymore. I looked at Doug’s left hand. He wears his wedding band every single day, even though he always complains that his knuckles get swollen in the summer heat and it feels too tight.

In that group photo, his left hand was tucked down by his thigh, and the finger where that heavy gold band had lived for over two decades was completely bare. There was just a pale, clean strip of skin where the sun hadn’t touched him in years. My thumb shook so hard against the glass screen I could barely swipe to the next frame. I scrolled through the rest of the album, my chest getting tighter with every single swipe. Four photos showed the two of them standing together. In every single one, his left hand was bare. In every single one, he was standing close enough to her that their shoulders looked like they were welded together.

Then I found the candid shot way at the back of the album, taken near the exit doors by the coat racks. Doug and Sherry were standing by a window, half-turned away from the camera, talking quiet like they thought nobody was watching. And Sherry was holding a glass of white wine in her right hand, and right there on her ring finger was a band of yellow gold with a channel of small, square-cut diamonds that caught the window light. I knew that ring the second I saw it because I have its exact twin sitting in my jewelry box upstairs. It was the anniversary band Doug gave me for our twentieth, the one he drove all the way to Indianapolis to buy from a tiny independent jeweler off Meridian Street, the one he swore up and down was one of a kind and made just for me.

I laid the phone down flat on my chest and stared up at the popcorn ceiling for a long time, listening to the hum of the refrigerator downstairs. My hands felt cold, the way they do right before you draw blood on a patient with terrible veins. I got out of bed without making the floorboards creak, walked down the dark hallway to my dresser, and pulled open the little velvet box where my own twentieth-anniversary band lived when I wasn’t working around patients. I lifted the heavy gold ring toward the small amber lamp on the dresser, squinting until the tiny stamped letters on the inside band came into focus under the light.

The engraving Doug had paid extra for, the one he told me stood for our family and our years together, wasn’t my initials at all. It was three letters pressed deep into the metal, and the first one wasn’t an M. It was an S. I stood there in the dark room with the ring sitting in my palm, listening to Doug’s heavy breathing down the hall, and realized he hadn’t just bought one ring for our anniversary. He had ordered two identical bands at the exact same time, down in Indianapolis, five years before he ever went back to Terre Haute. One for the wife who worked the night shift, and one for the girl from the clarinet section he never really left behind. I didn’t wake him up. I just laid my ring back down on the velvet, took the phone off the bed, and started downloading every single photo into a folder he would never be able to delete.