…twin sister, Elena. The sister my mother swore had drowned in a lake accident when we were seven. I sat on the guest room floor for three hours with that Polaroid pressing into my palm.

The edges of the photo were soft and frayed, but the faces were sharp.

Two girls. Matching gap-toothed smiles. Matching auburn curls. I spent twenty years mourning a girl I barely remembered. I spent my entire adolescence in specialized grief therapy because I survived the boat flipping and she didn’t. I used to buy two ice cream cones on my birthday and let one melt on the pavement for her.

And she was alive. Living fifteen minutes away. Wearing a navy silk robe and kissing my husband.

The sound of Mark’s heavy diesel engine pulling into the driveway rattled the window panes. It was 11:45 PM. I didn’t get up. I didn’t turn on the overhead lights. I just sat in the armchair in the corner of the living room, swallowed by the shadows, holding the photo in one hand and the jewelry receipt in the other.

The front door clicked open. Mark dropped his keys in the ceramic bowl on the console table. He kicked off his boots. He walked into the living room, pulling his t-shirt over his head. The heavy scent of motor oil and cheap coffee hit my nose.

He bought the motor oil scent. He bought a bottle of it, or he just rubbed a rag on his neck before walking inside. It was a literal prop. A costume.

“Hey,” he mumbled, jumping slightly when he noticed my silhouette in the dark. “You’re up late. The engine block gave us hell tonight. Greg broke a socket wrench trying to get the manifold off.”

I reached over and flicked on the side lamp. The sudden yellow light made him squint.

“Did Greg fix the manifold?” I asked. My voice sounded like it belonged to someone else. It was completely hollow.

“Yeah,” Mark sighed, rubbing the back of his neck. He looked so tired. So convincing. “Took hours. I’m taking a shower, I reek.”

“Before you do,” I said, holding up the crumpled piece of thermal paper. “I found this in your gym bag. You bought a five-thousand-dollar tennis bracelet. In cash.”

Mark’s posture went entirely rigid. The casual, exhausted husband routine vanished, replaced by the tense stillness of a cornered animal. He swallowed hard. “Sarah, listen. That was… that was supposed to be a surprise. For your birthday next month. It got delivered to the shop so you wouldn’t see it on the credit card statement.”