My Wife Came Back from a Night Run, and Something About Her Was Different

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My name is Jiang Linzhou. Her name is Qiao Zhiyu. We'd been together for three years and were planning to get engaged at the end of the year.

That night, at half past ten, Qiao Zhiyu came back from her evening run. I was lying on the sofa, watching a replay of a game. Hearing the key turn in the lock, I didn't look back. "How long did you run today?"

There was no answer. I turned and saw her with her back to me, bending down to change her shoes. She was wearing a gray tracksuit, her hair tied back in a ponytail, with a few damp strands clinging to her neck.

"Zhiyu?"

"Mm." Her voice sounded a little muffled. "I'll shower first."

She didn't come over to kiss me like she usually did, and instead