It was quick, and it was messy, but that didn't stop it from being one of the best goddamned things that Arthur had ever experienced. Arthur couldn't help but feel disappointed when they untangled themselves to lay side by side, panting. He was immediately filled with regret, this was a once-in-a-lifetime thing, and it was over so fast. He should have tried to last longer, he should have been more teasing to prolong it, he should have-

Merlin turned towards him, still breathing heavily, and gave one of his small, quirky smiles. "We should try that again sometime, yeah?".

Arthur just stared at him for a moment. The he looked away, running his fingers through his sweat-dampened hair. He laughed, a breathless, relieved sort of laugh. "Yeah."