Harry's recollection of leaving Arima is a bit disjointed and for the time being, he's shelved most of those memories to be worked through at a later date. He knows he'll have to examine his actions and what he recalls of them, but for now, it can wait.

"Yes, and it's good to see. I've, well, I tend to throw myself into work after things like that." Which implies it's happened before and he's going through the motions that served him in the past. "And, Ianto? He's ...I didn't catch everything that happened, but you found each other?"