The tension constricting Jack's heart and throat starts releasing, slowly, as he feels Gray relaxing against him. Again, something his body remembers so much better than his mind would allow--the feeling of needing to carry his brother home when he was much smaller and tired more easily--and even if he hadn't been able to keep the actual memories, the feeling of it is still a comforting reminder that this is real. Gray is real--

And then, suddenly, just as he's started to walk his throat feels like it's closing again as he takes in Gray's words. He wants to ignore them, wants to just put them off to his brother's understandable mental exhaustion but…

"Sorry, for a second there I thought you said something about kicking around for two hundred years," he says, forcing a bit of a laugh into his voice, even as his heart starts racing again with a bizarre mix of terror and elation.