"They haven't learned, either," he added with a faint laugh. "They'll just burn out these new planets to in a couple thousand years, but that's okay because we can just make more." There was an edge of sarcasm to his voice, and he ran his hand down over his mouth. He didn't mean to go off, really, but ... some topics pressed buttons.
He shook his head. "No. I'm ... I'm alone here." He'd adjusted to the idea that River was on the ship and in the hands of the crew and there was nothing he could do about it, and she was probably better off there ... but that didn't stop him from missing her. Or Kaylee. "What ... what about you? Do you ... is anyone from your world or time here? People you know?"