"Well, I'm from before that, but I met another version of you that was from after." They'd been close. She decided not to tell him that, though. "It's been more than a year since I left home."
Other options:
Re: Arrival
"Well, I'm from before that, but I met another version of you that was from after." They'd been close. She decided not to tell him that, though. "It's been more than a year since I left home."