The City at Night is Active and Alight (слэш)

The words spill out of his mouth, “Did I ever tell you what happened to my soulmate?”
“No,” Sherlock rolls onto his side, “...’ssumed you didn’t wanna talk about it.”
“I met him in Afghanistan. On Christmas.”
“Interesting…”
John looks to Sherlock to see one of his eyes his half opened, “Yeah… we promised to-,” John yawns, “-to meet each other next Christmas.”
He feels Sherlock tense up next to him and he looks at Sherlock; confused. What was wrong?
“What happened?”