"Pretty much, yeah," he agrees, with a faint grin.
As a matter of fact, he feels Spike had plenty to do with him biting Ianto when he was in Spike's body, because it was Spike baiting him from the safety of the far end of a phone line that wound him up so far he couldn't control the demon. But going into that now wouldn't accomplish anything, and Spike's probably so drunk he wouldn't even remember anyway, so what's the point of having a go at him about it?
"Actually, I came to tell you I'm sorry Rose has gone too. I know Ianto didn't really know her, but she and I had some good times and some interesting conversations together."
Even if everything had soured considerably after the re-ensouling.