My second entry in the Gaia contest. We were restricted to four paragraphs, so . . . o 3o Black Brothers-centric.
fine
"You? What're you here for?"
"Wait, Sirius, just – You know what? Fine then. Just . . . fine."
Sirius watches as his brother steps back from the door and turns to leave in a flurry of angry robes. The dark sleeve rises just a sliver, and there it is, the one thing he has truly feared would become of his brother. Beside his better judgment, he stops him, grasping his arm. Regulus halts, throat choking on the sudden spill of tears, and faces him (Look at him now! When had his baby brother grown up?). Sirius swallows.
"Fine. Just . . . fine. Stay, stay."