Prompt: Here we lived and fed…not minding the little space, trod on each other like birds in a hole, elbowed our ways without spite, all talking at once or silent at once…but never I think feeling overcrowded, being as separate as notes in a scale.

(Laurie Lee, Cider with Rosie)

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"Budge over," James said, elbowing Sirius in the side as he attempted to sit down. Remus looked away from the window in surprise to Sirius, James, and Peter sitting on the other side of the compartment. "Go sit on the other side, Black. We're sitting here."

Peter was looking rather meek, keeping himself quiet while Sirius and James jockeyed for the extra space. James won and sat back with a self satisfied smirk while Sirius, flushed, collapsed across from him, wedged into the corner as far from Remus as possible, arms crossed over his chest as he pouted.

"Oh, don't do that," James whined, kicking Sirius' in the shin. Sirius didn't both responding, just tucked his legs up and scowled. "Sheesh, you'd think we hadn't figured out that you want to sit there. You should have told us. 'Course I can't guarantee that I would have acted so favorably when I first found out."

Sirius' scowl disappeared to be replaced with shock and James frowned at him. Remus, having expected this, just looked back out the window. Peter was looking at James, waiting for his reaction before he said anything. They were silent, the four of them, crowded into the compartment and finally, Sirius sighed heavily.

"Fine," he said, a hint of a smile on his face, "but if I hear you make one remark about it, you fucking arse, I will kill you dead."

James muttered something back, but it went unheard as Peter started talking as well and then, Remus realized that Sirius was leaning against him, one arm resting comfortably on his shoulder and his left leg pressed intimately close to his right. He gazed at Sirius in surprise at his daring. James wasn't looking quite at them, but it was clear that he wasn't going to say anything. Remus relaxed and glanced at Peter, who shrugged and pulled out a book. James sat back, satisfied for the moment.