Crowning Moment of Heartwarming: One of the most potent scenes toward the end of "Business":
"Home," she said, and she started crying into his neck, her body shivering with sobs. "I want to go home, Jayne."
"Me too," he hissed, and started out the door with the featherweight of little crazy person on his back. Pistol leading, Jayne Cobb stepped out of that hell-chamber, and started their escape.
He was gonna get her out of here, safe and sound, even if the whole gorram Alliance stood in his way.
- Later, River confronting Colonel Dannet Partway through she realizes she can't kill him because she simply can't bring herself to hate him, then she has another bout of emotional madness, and he ends up comforting her. The entire confrontation ends with her forgiving him.