Ianto smiles vaguely in a way that suggests he gets the joke - which he thinks may be the simplest way to respond to Cecil's non-sequiturs - but stays silent at Cecil's question. There's the whole truth, which would take some time to explain, and there's pieces of the truth, all of which seem sort of lacking. And then, of course, there's a lie.

"I," he starts, stops, laughs to himself. "I... protected Cardiff. The Earth. My Earth. Then I retired. Traveled a bit. Settled down." He scoffs, reaches for his refill (nearly forgotten amidst the excitement about his chips), and knocks back half of it. "That didn't last very long. But nothing ever does."