He's not sure if that's impressive or stupid, though the hero in him is leaning towards obvious because it's what he'd do too, if he knew there was something like that in his future. He doesn't know anything about his future, though, and he's mostly just determined to save Ianto from his.
So he just nods, and then furrows his brow at the second part. "If we wake up in our bodies here, in the stasis pods, you'd be physically back to chipped and unsouled, but you'd remember all this. I'd hope the memories would win, in that case."