He holds her as she slips into sleep, utterly relaxed in his arms and trusting him with all of herself yet again. Undone, Bucky lowers his face to her hair and breathes, quiet in this moment with her, cherishing it.

Peggy would be furious with him, he’s certain. Let her. He’d meant what he told her. Steve would know just what this means - and he knows his best friend is worried, as well as supportive. He himself doesn’t know what the future will bring, but he’s not going to ruin the precious time they have now by dwelling on it.

Thus decided, eventually he lets himself sleep as well, arms around her.