Let Me Keep You

The choice had been easy. It hadn't even been a choice, really.

He had everything planned out in his head, the materials he'd need, the words he had to learn, the silent goodbyes he had to say.

Everything had gone according to plan, the candles placed in a circle throwing their flickering light on the walls of his room at the bunker, illuminating the marks that had appeared on his body as he recited the words, marking him as a soul worthy and willing to sacrifice its light for the life of many.

He had not planned for the door to burst open suddenly, pushed so forcefully it slammed against the wall, the rush of air blowing out some of the nearer candles and bathing the corners in darkness.

He hadn't planned for Dean to stand in the doorway, his expression a mixture of worry, disbelief and anger.

He hadn't planned for his heart to constrict quite so painfully at the sight of those green eyes staring at him, so hurt as they took in Cas' surroundings, so desperate and accusatory as they met Cas' own.

~oOo~

Or the one where Dean and Cas are self-sacrificing idiots, forcing them to finally use their words and admit some truths.