Jim's thighs are burning, muscles all over beginning to ache with the effort, but it feels good - it's amazing how different it is to fuck a woman after so long, all the angles so close but not quite the same. He lifts his head and looks down at her, drinking in the way her lips part with every thrust in, the way her breaths hitch each time he pulls out again. She's so fucking gorgeous he can hardly stand it, and Jim needs to see her fall apart. "Come on, Bones," he urges. "Come on, baby."