He... really had expected Ianto to understand that. He'd expected frustration with his errant ways - long-suffering acceptance at best - but not genuine understanding, and even though Ianto doesn't say it out loud, he can see it in his face. He studies Ianto a little more closely, giving him a tiny, rueful smile.

"Spike says you're still absolutely set on becoming a vampire," he says quietly - the quietness mostly just to keep control, because he's a jumble of different emotions about this issue and right now he's a jumble of emotions anyway.